| —— | 
                                        (5R,6R,8R,9R)-6-(2-amino-6-methoxypurin-9-yl)-8-(hydroxymethyl)-1,7-dioxaspiro[4.4]nonan-9-ol | 
                                        1378912-02-7 | 
                                        C14H19N5O5 | 
                                        337.335 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (4R,5R,7R,8R)-5-(2-amino-6-methoxy-9H-purin-9-yl)-7-(hydroxymethyl)-1,6-dioxaspiro[3.4]octan-8-ol | 
                                        1378912-07-2 | 
                                        C13H17N5O5 | 
                                        323.308 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        N-(9-((5R,6R,8R,9R)-9-hydroxy-8-(hydroxymethyl)-1,7-dioxaspiro[4.4]nonan-6-yl)-6-methoxy-9H-purin-2-yl)benzamide | 
                                        1378912-00-5 | 
                                        C21H23N5O6 | 
                                        441.444 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (2R,3R,4R,5R)-3-allyl-2-(2-amino-6-methoxy-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol | 
                                        1378912-04-9 | 
                                        C20H21N5O6 | 
                                        427.417 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (6aR,8R,9R,9aR)-9-allyl-8-(2-amino-6-methoxy-9H-purin-9-yl)-2,2,4,4-tetraisopropyltetrahydro-6H-furo[3,2-f][1,3,5,2,4]trioxadisilocin-9-ol | 
                                        1378911-18-2 | 
                                        C26H45N5O6Si2 | 
                                        579.844 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        N-(9-((6aR,8R,9R,9aR)-9-allyl-9-hydroxy-2,2,4,4-tetraisopropyltetrahydro-6H-furo[3,2-f][1,3,5,2,4]trioxadisilocin-8-yl)-6-methoxy-9H-purin-2-yl)benzamide | 
                                        1378911-97-7 | 
                                        C33H49N5O7Si2 | 
                                        683.952 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (2S)-methyl 2-(((((4R,5R,7R,8R)-5-(2-amino-6-methoxy-9H-purin-9-yl)-8-hydroxy-1,6-dioxaspiro[3.4]octan-7-yl)methoxy)(phenoxy)phosphoryl)amino)propanoate | 
                                        1378912-65-2 | 
                                        C23H29N6O9P | 
                                        564.492 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        2,2-dimethylpropyl (2S)-2-[[[(4R,5R,6R,8R)-8-(2-amino-6-methoxypurin-9-yl)-5-hydroxy-1,7-dioxaspiro[3.4]octan-6-yl]methoxy-phenoxyphosphoryl]amino]propanoate | 
                                        1378912-75-4 | 
                                        C27H37N6O9P | 
                                        620.599 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        N-(9-((6aR,8R,9R,9aR)-9-hydroxy-9-(2-hydroxyethyl)-2,2,4,4-tetraisopropyltetrahydro-6H-furo[3,2-f][1,3,5,2,4]trioxadisilocin-8-yl)-6-methoxy-9H-purin-2-yl)benzamide | 
                                        1378912-03-8 | 
                                        C32H49N5O8Si2 | 
                                        687.941 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        N-(9-((6aR,8R,9R,9aR)-9-hydroxy-9-(3-hydroxypropyl)-2,2,4,4-tetraisopropyltetrahydro-6H-furo[3,2-f][1,3,5,2,4]trioxadisilocin-8-yl)-6-methoxy-9H-purin-2-yl)benzamide | 
                                        1378911-99-9 | 
                                        C33H51N5O8Si2 | 
                                        701.968 | 
                                    
                                                                                                                                                                                                                                                                                                                                                                                                                                                    
                                                        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
                                        | —— | 
                                        2-amino-9-((4R,5R,7R,8R)-8-hydroxy-7-(hydroxymethyl)-1,6-dioxaspiro[3.4]octan-5-yl)-1H-purin-6(9H)-one | 
                                        1378912-09-4 | 
                                        C12H15N5O5 | 
                                        309.282 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        2,2-dimethylpropyl (2S)-2-[[[(4R,5R,6R,8R)-8-(2-amino-6-methoxypurin-9-yl)-5-hydroxy-1,7-dioxaspiro[3.4]octan-6-yl]methoxy-naphthalen-1-yloxyphosphoryl]amino]propanoate | 
                                        1378912-79-8 | 
                                        C31H39N6O9P | 
                                        670.659 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        2-((6aR,8R,9R,9aR)-8-(2-benzamido-6-methoxy-9H-purin-9-yl)-9-hydroxy-2,2,4,4-tetraisopropyltetrahydro-6H-furo[3,2-f][1,3,5,2,4]trioxadisilocin-9-yl)ethyl methanesulfonate | 
                                        1378911-19-3 | 
                                        C33H51N5O10SSi2 | 
                                        766.032 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        N-(6-methoxy-9-((6aR,8R,9R,9aR)-2,2,4,4-tetraisopropyldihydro-6H,8H-spiro[furo[3,2-f][1,3,5,2,4]trioxadisilocine-9,2'-oxetan]-8-yl)-9H-purin-2-yl)benzamide | 
                                        1378911-20-6 | 
                                        C32H47N5O7Si2 | 
                                        669.925 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        [[(4R,5R,6R,8R)-8-(2-amino-6-oxo-1H-purin-9-yl)-5-hydroxy-3,7-dioxaspiro[3.4]octan-6-yl]methoxy-hydroxy-phosphoryl] phosphono hydrogen phosphate | 
                                        1469985-01-0 | 
                                        C12H18N5O14P3 | 
                                        549.221 |