| —— | 
                                        tert-butyl N-[(3'S,4R,4'R,9'S,10'R,15'R)-4'-[tert-butyl(dimethyl)silyl]oxy-18'-chloro-10'-(methoxymethoxy)-2,2-dimethyl-13'-oxo-9'-triethylsilyloxy-9'-(3-triethylsilylprop-2-ynyl)spiro[1,3-dioxolane-4,5'-2,12-dioxa-17-azatricyclo[14.2.2.13,6]henicosa-1(18),6(21),16,19-tetraen-7-yne]-15'-yl]carbamate | 
                                        845643-83-6 | 
                                        C50H81ClN2O11Si3 | 
                                        1005.91 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        [(2R,3S)-3-ethynyl-2-(methoxymethoxy)-6-triethylsilyl-3-triethylsilyloxyhex-5-ynyl] (3R)-3-[5-[[(5R,6R,7S)-6-[tert-butyl(dimethyl)silyl]oxy-9-iodo-2,2-dimethyl-1,3-dioxaspiro[4.4]non-8-en-7-yl]oxy]-6-chloropyridin-2-yl]-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoate | 
                                        845643-96-1 | 
                                        C50H82ClIN2O11Si3 | 
                                        1133.82 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        3-tert-butoxycarbonylamino-3-{5-[6-(tert-butyl-dimethyl-silanyloxy)-9-iodo-2,2-dimethyl-1,3-dioxa-spiro[4.4]non-8-en-7-yloxy]-6-chloro-pyridin-2-yl}-propionic acid 3-ethynyl-3-hydroxy-2-methoxymethoxy-6-triethylsilanyl-hex-5-ynyl ester | 
                                        845644-05-5 | 
                                        C44H68ClIN2O11Si2 | 
                                        1019.56 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        methyl (3R)-3-[5-[[(5R,6R,7S)-6-[tert-butyl(dimethyl)silyl]oxy-9-iodo-2,2-dimethyl-1,3-dioxaspiro[4.4]non-8-en-7-yl]oxy]-6-chloropyridin-2-yl]-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoate | 
                                        253189-35-4 | 
                                        C29H44ClIN2O8Si | 
                                        739.12 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (3R)-3-[5-[[(5R,6R,7S)-6-[tert-butyl(dimethyl)silyl]oxy-9-iodo-2,2-dimethyl-1,3-dioxaspiro[4.4]non-8-en-7-yl]oxy]-6-chloropyridin-2-yl]-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid | 
                                        253189-21-8 | 
                                        C28H42ClIN2O8Si | 
                                        725.093 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (R)-3-tert-Butoxycarbonylamino-3-[6-chloro-5-((5R,6R,7S)-6-hydroxy-9-iodo-2,2-dimethyl-1,3-dioxa-spiro[4.4]non-8-en-7-yloxy)-pyridin-2-yl]-propionic acid methyl ester | 
                                        845644-04-4 | 
                                        C23H30ClIN2O8 | 
                                        624.857 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        tert-butyl-[[(5R,6R,7S)-6-[tert-butyl(dimethyl)silyl]oxy-9-iodo-2,2-dimethyl-1,3-dioxaspiro[4.4]non-8-en-7-yl]oxy]-dimethylsilane | 
                                        845644-02-2 | 
                                        C21H41IO4Si2 | 
                                        540.63 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (5R,6R,7S)-6,7-bis[[tert-butyl(dimethyl)silyl]oxy]-9-iodo-1,3-dioxaspiro[4.4]non-8-en-2-one | 
                                        845643-95-0 | 
                                        C19H35IO5Si2 | 
                                        526.559 |