2′-Deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-[[1-[4-[[5-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-1-oxopentyl]amino]-2-nitrophenyl]-2,2-dimethylpropoxy]carbonyl]cytidine 5′-(tetrahydrogen triphosphate)

2′-Deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-[[1-[4-[[5-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-1-oxopentyl]amino]-2-nitrophenyl]-2,2-dimethylpropoxy]carbonyl]cytidine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-[[1-[4-[[5-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-1-oxopentyl]amino]-2-nitrophenyl]-2,2-dimethylpropoxy]carbonyl]cytidine

2′-Deoxy-N-[[1-[4-[[5-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-1-oxopentyl]amino]-2-nitrophenyl]-2,2-dimethylpropoxy]carbonyl]adenosine 5′-(tetrahydrogen triphosphate)

2′-Deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-[[1-[4-[[5-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-1-oxopentyl]amino]-2-nitrophenyl]-2,2-dimethylpropoxy]carbonyl]adenosine 5′-(tetrahydrogen triphosphate)

2′-Deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]adenosine 5′-(tetrahydrogen triphosphate)

3′-O-Amino-N,1-[[7-amino-4-[[5-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-1-oxopentyl]oxy]-2-nitro-1,8-naphthalenediyl]bis(oxy)]-2′-deoxyguanosine 5′-(tetrahydrogen triphosphate)

N,1-[[7-Amino-4-[[5-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-1-oxopentyl]oxy]-2-nitro-1,8-naphthalenediyl]bis(oxy)]-2′-deoxy-3′-O-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)guanosine 5′-(tetrahydrogen triphosphate)

N,1-[[7-Amino-4-[[5-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-1-oxopentyl]oxy]-2-nitro-1,8-naphthalenediyl]bis(oxy)]-2′-deoxy-3′-O-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)guanosine

N,1-[[7-Amino-4-[[5-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-1-oxopentyl]oxy]-2-nitro-1,8-naphthalenediyl]bis(oxy)]-2′-deoxy-3′-O-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-5′-O-[(1,1-dimethylethyl)dimethylsilyl]guanosine

2′-Deoxy-3′-O-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-5′-O-[(1,1-dimethylethyl)dimethylsilyl]guanosine

3′-O-Amino-3-[[2-amino-4-[[5-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-1-oxopentyl]oxy]-6-nitrophenyl]methyl]thymidine 5′-(tetrahydrogen triphosphate)

3-[[2-Amino-4-[[5-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-1-oxopentyl]oxy]-6-nitrophenyl]methyl]-3′-O-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)thymidine 5′-(tetrahydrogen triphosphate)

3-[[2-Amino-4-[[5-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-1-oxopentyl]oxy]-6-nitrophenyl]methyl]-3′-O-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)thymidine

3-[[2-Amino-4-[[5-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-1-oxopentyl]oxy]-6-nitrophenyl]methyl]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)thymidine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-3′-O-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)thymidine

Adenosine, 5′-[hydrogen (phosphonomethyl)phosphonate], P′→5′-ester with 3-β-D-ribofuranosylbenzamide

Adenosine, 2′,3′-O-(1-methylethylidene)-, 5′-[hydrogen (phosphonomethyl)phosphonate], P′→5′-ester with 2-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-4-thiazolecarboxamide

Adenosine, 2′,3′-O-(1-methylethylidene)-, 5′-[hydrogen (phosphonomethyl)phosphonate], P′→5′-ester with 3-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]benzamide

Adenosine, 2′,3′-O-(1-methylethylidene)adenylylmethylenephosphinicooxyphosphinicomethylenephosphinico-(5′→5′)-2′,3′-O-(1-methylethylidene)-