| —— | 
                                        1-[(2R,3R,4R,5R)-5-(chloromethyl)-3-fluoro-5-(hydroxymethyl)-4-[(4-methoxyphenyl)-diphenylmethoxy]oxolan-2-yl]pyrimidine-2,4-dione | 
                                        1445384-35-9 | 
                                        C30H28ClFN2O6 | 
                                        567.014 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        1-((2R,3R,4R,5R)-5-(bromomethyl)-3-fluoro-5-(hydroxymethyl)-4-((4-methoxyphenyl)diphenylmethoxy)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione | 
                                        1445389-11-6 | 
                                        C30H28BrFN2O6 | 
                                        611.465 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        1-((2R,3R,4R,5R)-5-(chloromethyl)-3-fluoro-4-((4-methoxyphenyl)diphenylmethoxy)-5-(((4-methoxyphenyl)diphenylmethoxy)methyl)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione | 
                                        1445389-64-9 | 
                                        C50H44ClFN2O7 | 
                                        839.36 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        1-((2R,3R,4R,5R)-5-(bromomethyl)-3-fluoro-4-((4-methoxyphenyl)diphenylmethoxy)-5-(((4-methoxyphenyl)diphenylmethoxy)methyl)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione | 
                                        1445389-01-4 | 
                                        C50H44BrFN2O7 | 
                                        883.811 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        1-((2R,3R,4R,5R)-3-fluoro-5-(hydroxymethyl)-4-((4-methoxyphenyl)diphenylmethoxy)-5-((methylthio)methyl)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione | 
                                        1445388-71-5 | 
                                        C31H31FN2O6S | 
                                        578.661 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        ((3R,4R,5R)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-4-fluoro-3-((4-methoxyphenyl)diphenylmethoxy)tetrahydrofuran-2,2-diyl)bis(methylene) bis(trifluoromethanesulfonate) | 
                                        1445384-32-6 | 
                                        C32H27F7N2O11S2 | 
                                        812.694 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        1-((2R,3R,4R,5R)-3-fluoro-4-((4-methoxyphenyl)diphenylmethoxy)-5-(((4-methoxyphenyl)diphenylmethoxy)methyl)-5-((methylthio)methyl)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione | 
                                        1445388-76-0 | 
                                        C51H47FN2O7S | 
                                        851.008 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        1-[(2R,3R,4R,5R)-5-(chloromethyl)-3-fluoro-5-(hydroxymethyl)-4-[(4-methoxyphenyl)diphenylmethoxy]oxolan-2-yl]-5-methyl-3H-pyrimidine-2,4-dione | 
                                        1445389-26-3 | 
                                        C31H30ClFN2O6 | 
                                        581.04 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        1-((2R,3R,4R,5R)-5-(chloromethyl)-3-fluoro-4-((4-methoxyphenyl)diphenylmethoxy)-5-(((4-methoxyphenyl)diphenylmethoxy)methyl)tetrahydrofuran-2-yl)-5-methylpyrimidine-2,4(1H,3H)-dione | 
                                        1445389-31-0 | 
                                        C51H46ClFN2O7 | 
                                        853.387 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        1-((2R,3R,4R,5R)-5-(chloromethyl)-3-fluoro-5-(hydroxymethyl)-4-((4-methoxyphenyl)diphenylmethoxy)tetrahydrofuran-2-yl)-5-(hydroxymethyl)pyrimidine-2,4(1H,3H)-dione | 
                                        1445389-21-8 | 
                                        C31H30ClFN2O7 | 
                                        597.04 | 
                                    
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
                                                        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
                                        | —— | 
                                        1-((2R,3R,4R,5R)-5-(((tert-butyldimethylsilyl)oxy)methyl)-5-(chloromethyl)-3-fluoro-4-((4-methoxyphenyl)diphenylmethoxy)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione | 
                                        1445384-38-2 | 
                                        C36H42ClFN2O6Si | 
                                        681.276 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        1-((2R,3R,4R,5R)-5-(chloromethyl)-3-fluoro-4-((4-methoxyphenyl)diphenylmethoxy)-5-(((4-methoxyphenyl)diphenylmethoxy)methyl)tetrahydrofuran-2-yl)-4-(methylamino)pyrimidin-2(1H)-one | 
                                        1445389-69-4 | 
                                        C51H47ClFN3O6 | 
                                        852.402 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        4-amino-1-((2R,3R,4R,5R)-3-fluoro-4-((4-methoxyphenyl)diphenylmethoxy)-5-(((4-methoxyphenyl)diphenylmethoxy)methyl)-5-((methylthio)methyl)tetrahydrofuran-2-yl)pyrimidin-2(1H)-one | 
                                        1445388-81-7 | 
                                        C51H48FN3O6S | 
                                        850.023 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        4-amino-1-((2R,3R,4R,5R)-5-(chloromethyl)-3-fluoro-4-((4-methoxyphenyl)diphenylmethoxy)-5-(((4-methoxyphenyl)diphenylmethoxy)methyl)tetrahydrofuran-2-yl)-5-methylpyrimidin-2(1H)-one | 
                                        1445389-36-5 | 
                                        C51H47ClFN3O6 | 
                                        852.402 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        4-amino-1-((2R,3R,4R,5R)-5-(((tert-butyldimethylsilyl)oxy)methyl)-5-(chloromethyl)-3-fluoro-4-((4-methoxyphenyl)diphenylmethoxy)tetrahydrofuran-2-yl)pyrimidin-2(1H)-one | 
                                        1445387-86-9 | 
                                        C36H43ClFN3O5Si | 
                                        680.291 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        [(2R,3R,4R,5R)-3-benzoyloxy-2-(chloromethyl)-5-(2,4-dioxopyrimidin-1-yl)-4-fluorooxolan-2-yl]methyl benzoate | 
                                        1445389-50-3 | 
                                        C24H20ClFN2O7 | 
                                        502.883 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        4-((bis(4-methoxyphenyl)(phenyl)methyl)amino)-1-((2R,3R,4R,5R)-5-(chloromethyl)-3-fluoro-5-(hydroxymethyl)-4-((4-methoxyphenyl)diphenylmethoxy)tetrahydrofuran-2-yl)pyrimidin-2(1H)-one | 
                                        1445384-41-7 | 
                                        C51H47ClFN3O7 | 
                                        868.401 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (6R,7R,8R,9R)-9-(bromomethyl)-7-fluoro-8-((4-methoxyphenyl)diphenylmethoxy)-7,8,9,10-tetrahydro-2H,6H-6,9-epoxypyrimido[2,1-b][1,3]oxazocin-2-one | 
                                        1445388-96-4 | 
                                        C30H26BrFN2O5 | 
                                        593.449 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        ((6R,7R,8R,9S)-7-fluoro-8-((4-methoxyphenyl)diphenylmethoxy)-2-oxo-7,8-dihydro-2H,6H-6,9-epoxypyrimido[2,1-b][1,3]oxazocin-9(10H)-yl)methyl trifluoromethanesulfonate | 
                                        1445388-66-8 | 
                                        C31H26F4N2O8S | 
                                        662.616 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (6R,7R,8R,9R)-9-(chloromethyl)-7-fluoro-8-((4-methoxyphenyl)diphenylmethoxy)-7,8,9,10-tetrahydro-2H,6H-6,9-epoxypyrimido[2,1-b][1,3]oxazocin-2-one | 
                                        1445387-76-7 | 
                                        C30H26ClFN2O5 | 
                                        548.998 | 
                                    
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
                                                        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
                                        | —— | 
                                        (2S,3R,4R,5R)-5-(4-((bis(4-methoxyphenyl)(phenyl)methyl)amino)-2-oxopyrimidin-1(2H)-yl)-2-(chloromethyl)-4-fluoro-3-((4-methoxyphenyl)diphenylmethoxy)tetrahydrofuran-2-carbaldehyde | 
                                        1445384-44-0 | 
                                        C51H45ClFN3O7 | 
                                        866.386 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        [(2R,3R,4R,5R)-3-acetyloxy-2-(chloromethyl)-5-(2,4-dioxopyrimidin-1-yl)-4-fluorooxolan-2-yl]methyl acetate | 
                                        1445390-24-8 | 
                                        C14H16ClFN2O7 | 
                                        378.742 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (2R,3R,4R,5R)-2-(chloromethyl)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-4-fluoro-2-((isobutyryloxy)methyl)tetrahydrofuran-3-yl isobutyrate | 
                                        1445388-91-9 | 
                                        C18H24ClFN2O7 | 
                                        434.849 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        ALS-8112 | 
                                        1445379-94-1 | 
                                        C10H12ClFN2O5 | 
                                        294.667 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        [(2R,3R,4R,5R)-3-benzoyloxy-2-(chloromethyl)-4-fluoro-5-[4-(hydroxyamino)-2-oxopyrimidin-1-yl]oxolan-2-yl]methyl benzoate | 
                                        1445389-55-8 | 
                                        C24H21ClFN3O7 | 
                                        517.898 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        [(2R,3R,4R,5R)-3-acetyloxy-2-(chloromethyl)-4-fluoro-5-(5-fluoro-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methyl acetate | 
                                        1445390-34-0 | 
                                        C14H15ClF2N2O7 | 
                                        396.732 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        dimethyl (2-((2R,3R,4R,5R)-5-(4-((bis(4-methoxyphenyl)(phenyl)methyl)amino)-2-oxopyrimidin-1(2H)-yl)-2-(chloromethyl)-4-fluoro-3-((4-methoxyphenyl)diphenylmethoxy)tetrahydrofuran-2-yl)vinyl)phosphonate | 
                                        1445384-47-3 | 
                                        C54H52ClFN3O9P | 
                                        972.447 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        [(2R,3R,4R,5R)-3-acetyloxy-5-(5-bromo-2,4-dioxopyrimidin-1-yl)-2-(chloromethyl)-4-fluorooxolan-2-yl]methyl acetate | 
                                        1445390-29-3 | 
                                        C14H15BrClFN2O7 | 
                                        457.638 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        4′-C-azidomethyl-2′-deoxy-2′-fluorouridine | 
                                        —— | 
                                        C10H12FN5O5 | 
                                        301.234 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        [(2R,3R,4R,5R)-2-(chloromethyl)-5-(2,4-dioxopyrimidin-1-yl)-4-fluoro-3-hydroxyoxolan-2-yl]methyl dihydrogen phosphate | 
                                        1445385-73-8 | 
                                        C10H13ClFN2O8P | 
                                        374.647 | 
                                    
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
                                                        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
                                        | —— | 
                                        diethyl (2-((2R,3R,4R,5R)-5-(4-((bis(4-methoxyphenyl)(phenyl)methyl)amino)-2-oxopyrimidin-1(2H)-yl)-2-(chloromethyl)-4-fluoro-3-((4-methoxyphenyl)diphenylmethoxy)tetrahydrofuran-2-yl)-1-fluorovinyl)phosphonate | 
                                        1445388-51-1 | 
                                        C56H55ClF2N3O9P | 
                                        1018.49 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        [[(2R,3R,4R,5R)-2-(chloromethyl)-5-(2,4-dioxopyrimidin-1-yl)-4-fluoro-3-hydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl] phosphono hydrogen phosphate | 
                                        1445385-76-1 | 
                                        C10H15ClFN2O14P3 | 
                                        534.607 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        [[(2R,3R,4R,5R)-2-(azidomethyl)-5-(2,4-dioxopyrimidin-1-yl)-4-fluoro-3-hydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl] phosphono hydrogen phosphate | 
                                        —— | 
                                        C10H15FN5O14P3 | 
                                        541.174 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        2'-deoxy-2'-fluoro-4'-methylthiomethylcytidine | 
                                        1451189-03-9 | 
                                        C11H16FN3O4S | 
                                        305.33 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        1-[(2R,3R,4R,5R)-5-(chloromethyl)-3-fluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-4-(methylamino)pyrimidin-2-one | 
                                        1445389-74-1 | 
                                        C11H15ClFN3O4 | 
                                        307.709 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        4-amino-1-[(2R,3R,4R,5R)-5-(chloromethyl)-3-fluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-fluoropyrimidin-2-one | 
                                        1445390-39-5 | 
                                        C10H12ClF2N3O4 | 
                                        311.673 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        4-amino-1-[(2R,3R,4R,5R)-5-(chloromethyl)-3-fluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-methylpyrimidin-2-one | 
                                        1445389-41-2 | 
                                        C11H15ClFN3O4 | 
                                        307.709 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (((2-((2R,3R,4R,5R)-5-(4-((bis(4-methoxyphenyl)(phenyl)methyl)amino)-2-oxopyrimidin-1(2H)-yl)-2-(chloromethyl)-4-fluoro-3-hydroxytetrahydrofuran-2-yl)vinyl)phosphoryl)bis(oxy))bis(methylene) bis(2,2-dimethylpropanoate) | 
                                        1445394-07-9 | 
                                        C44H52ClFN3O12P | 
                                        900.335 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        [[(2R,3R,4R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-4-fluoro-3-hydroxy-2-(methylsulfanylmethyl)oxolan-2-yl]methoxy-hydroxyphosphoryl] phosphono hydrogen phosphate | 
                                        1445395-10-7 | 
                                        C11H19FN3O13P3S | 
                                        545.27 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        [2-[(2R,3R,4R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-2-(chloromethyl)-4-fluoro-3-hydroxyoxolan-2-yl]ethyl-(2,2-dimethylpropanoyloxymethoxy)phosphoryl]oxymethyl 2,2-dimethylpropanoate | 
                                        1445394-17-1 |