N-[2-[[[[3-[7-[2-Deoxy-5-O-[(1,1-dimethylethyl)dimethylsilyl]-3-O-[(1-methylethylidene)amino]-β-D-erythro-pentofuranosyl]-2-[[(dimethylamino)methylene]amino]-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propyn-1-yl]oxy]methyl]dithio]-2-methylpropyl]-2,2,2-trifluoroacetamide

N′-[7-[2-Deoxy-5-O-[(1,1-dimethylethyl)dimethylsilyl]-3-O-[(1-methylethylidene)amino]-β-D-erythro-pentofuranosyl]-4,7-dihydro-5-iodo-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-2-yl]-N,N-dimethylmethanimidamide

N′-[7-[3-O-Amino-2-deoxy-5-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-4,7-dihydro-5-iodo-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-2-yl]-N,N-dimethylmethanimidamide

N′-[7-[2-Deoxy-3-O-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-5-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-4,7-dihydro-5-iodo-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-2-yl]-N,N-dimethylmethanimidamide

9-[4-[[[2-[[[[3-[4-Amino-7-[3-O-amino-2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propyn-1-yl]oxy]methyl]dithio]-2-methylpropyl]amino]carbonyl]-2-carboxyphenyl]-2,3,6,7,12,13,16,17-octahydro-1H,5H,11H,15H-xanthe..

7-[3-O-Amino-2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-5-[3-[[(2-amino-1,1-dimethylethyl)dithio]methoxy]-1-propyn-1-yl]-7H-pyrrolo[2,3-d]pyrimidin-4-amine

N-[2-[[[[3-[7-[2-Deoxy-3-O-[(1-methylethylidene)amino]-β-D-erythro-pentofuranosyl]-4-[[(dimethylamino)methylene]amino]-7H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propyn-1-yl]oxy]methyl]dithio]-2-methylpropyl]-2,2,2-trifluoroacetamide

N-[2-[[[[3-[7-[2-Deoxy-5-O-[(1,1-dimethylethyl)dimethylsilyl]-3-O-[(1-methylethylidene)amino]-β-D-erythro-pentofuranosyl]-4-[[(dimethylamino)methylene]amino]-7H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propyn-1-yl]oxy]methyl]dithio]-2-methylpropyl]-2,2,2-trifluoroacetamide

N′-[7-[2-Deoxy-5-O-[(1,1-dimethylethyl)dimethylsilyl]-3-O-[(1-methylethylidene)amino]-β-D-erythro-pentofuranosyl]-5-iodo-7H-pyrrolo[2,3-d]pyrimidin-4-yl]-N,N-dimethylmethanimidamide

N′-[7-[3-O-Amino-2-deoxy-5-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-5-iodo-7H-pyrrolo[2,3-d]pyrimidin-4-yl]-N,N-dimethylmethanimidamide

N′-[7-[2-Deoxy-3-O-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-5-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-5-iodo-7H-pyrrolo[2,3-d]pyrimidin-4-yl]-N,N-dimethylmethanimidamide

Xanthylium, 3,6-diamino-9-[4-[[[2-[[[[3-[4-amino-1-[3-O-amino-2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1,2-dihydro-2-oxo-5-pyrimidinyl]-2-propyn-1-yl]oxy]methyl]dithio]-2-methylpropyl]amino]carbonyl]-2-carboxyphenyl]-4,5-disulfo-, inner salt

3′-O-Amino-5-[3-[[(2-amino-1,1-dimethylethyl)dithio]methoxy]-1-propyn-1-yl]-2′-deoxycytidine 5′-(tetrahydrogen triphosphate)

2′-Deoxy-N-[(dimethylamino)methylene]-5-[3-[[[1,1-dimethyl-2-[(2,2,2-trifluoroacetyl)amino]ethyl]dithio]methoxy]-1-propyn-1-yl]-3′-O-[(1-methylethylidene)amino]cytidine

2′-Deoxy-N-[(dimethylamino)methylene]-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-5-[3-[[[1,1-dimethyl-2-[(2,2,2-trifluoroacetyl)amino]ethyl]dithio]methoxy]-1-propyn-1-yl]-3′-O-[(1-methylethylidene)amino]cytidine

2′-Deoxy-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-[(dimethylamino)methylene]-5-iodo-3′-O-[(1-methylethylidene)amino]cytidine

9-[4-[[[2-[[[[3-[1-[3-O-Amino-2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-2-propyn-1-yl]oxy]methyl]dithio]-2-methylpropyl]amino]carbonyl]-2-carboxyphenyl]-3,6-bis(ethylamino)-2,7-dimethylxanthylium

2′-Deoxy-5-[3-[[[1,1-dimethyl-2-[(2,2,2-trifluoroacetyl)amino]ethyl]dithio]methoxy]-1-propyn-1-yl]-3′-O-[(1-methylethylidene)amino]uridine

2′-Deoxy-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-5-[3-[[[1,1-dimethyl-2-[(2,2,2-trifluoroacetyl)amino]ethyl]dithio]methoxy]-1-propyn-1-yl]-3′-O-[(1-methylethylidene)amino]uridine

3H-Indolium, 2-[5-[1-[6-[[2-[[[[3-[2-amino-7-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-3-O-(methoxymethyl)-β-D-erythro-pentofuranosyl]-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propyn-1-yl]oxy]methyl]dithio]-2-methylpropyl]amino]-6-oxohexyl]-1,3-dihydro-3,3-di..