Cytidine, 2′-deoxy-N-(2-methyl-1-oxopropyl)-5′-O-[tris[4-[[[2-(2-nitrophenyl)propoxy]carbonyl]oxy]phenyl]methyl]-

Adenosine, 2′-deoxy-N-(2,2-dimethyl-1-oxopropyl)-5′-O-[tris[4-[[[2-(2-nitrophenyl)propoxy]carbonyl]oxy]phenyl]methyl]-

Thymidine, 5′-O-[tris[4-[[[2-(2-nitrophenyl)propoxy]carbonyl]oxy]phenyl]methyl]-

Adenosine, 1-[2,3-bis-O-(1-oxobutyl)-β-D-ribofuranosyl]-, 2′,3′-dibutanoate 5′-[(1-oxopropoxy)methyl [[hydroxy[1-(2-nitrophenyl)ethoxy]phosphinyl]methyl]phosphonate], intramol. P′,5′′-ester

Adenosine, 1-[2,3-bis-O-(1-oxobutyl)-β-D-ribofuranosyl]-, 2′,3′-dibutanoate 5′-[ethyl [(ethoxyhydroxyphosphinyl)methyl]phosphonate], intramol. P′,5′′-ester

Adenosine, 2′,3′-dibutanoate 5′-[ethyl [(ethoxyhydroxyphosphinyl)methyl]phosphonate], ester with methyl D-ribofuranoside 2,3-dibutanoate

4H-Imidazo[4,5-c]pyridin-4-imine, 1-[2,3-bis-O-(1-oxobutyl)-β-D-ribofuranosyl]-5-[5-O-[[[hydroxy[(1-oxopropoxy)methoxy]phosphinyl]methyl][1-(2-nitrophenyl)ethoxy]phosphinyl]-2,3-bis-O-(1-oxobutyl)-β-D-ribofuranosyl]-1,5-dihydro-, intramol. ester

4H-Imidazo[4,5-c]pyridin-4-imine, 1-[2,3-bis-O-(1-oxobutyl)-β-D-ribofuranosyl]-5-[5-O-[ethoxy[(ethoxyhydroxyphosphinyl)methyl]phosphinyl]-2,3-bis-O-(1-oxobutyl)-β-D-ribofuranosyl]-1,5-dihydro-, intramol. ester

D-Ribofuranoside, methyl, 2,3-dibutanoate 5-[ethyl [(ethoxyhydroxyphosphinyl)methyl]phosphonate], ester with 1-[2,3-bis-O-(1-oxobutyl)-β-D-ribofuranosyl]-1H-imidazo[4,5-c]pyridin-4-amine

Adenosine, 1-(2,3-di-O-acetyl-β-D-ribofuranosyl)-, 2′,3′-dibutanoate 5′-[ethyl [(ethoxyhydroxyphosphinyl)methyl]phosphonate], intramol. P′,5′′-ester

Adenosine, 2′,3′-dibutanoate 5′-[ethyl [(ethoxyhydroxyphosphinyl)methyl]phosphonate], ester with D-ribofuranose 1,2,3-triacetate

Thymidine, 5′-O-[tris[4-(2,2-dimethyl-1-oxopropoxy)phenyl]methyl]-

Thymidine, 5′-O-[(4-methoxyphenyl)bis[4-[[[2-(2-nitrophenyl)propoxy]carbonyl]oxy]phenyl]methyl]-

Thymidine, 5′-O-[bis[4-[[[2-(2-nitrophenyl)propoxy]carbonyl]oxy]phenyl]phenylmethyl]-

Thymidine, 5′-O-[bis(4-methoxyphenyl)[4-[[[2-(2-nitrophenyl)propoxy]carbonyl]oxy]phenyl]methyl]-

Thymidine, 5′-O-[(4-methoxyphenyl)[4-[[[2-(2-nitrophenyl)propoxy]carbonyl]oxy]phenyl]phenylmethyl]-

Thymidine, 5′-O-[[4-[[[2-(2-nitrophenyl)propoxy]carbonyl]oxy]phenyl]diphenylmethyl]-

Cytidine, 2′-deoxy-P-thioadenylyl-(3′→5′)-2′-deoxy-P-thioadenylyl-(3′→5′)-2′-deoxy-P-thiocytidylyl-(3′→5′)-2′-deoxy-P-thioguanylyl-(3′→5′)-P-thiothymidylyl-(3′→5′)-P-thiothymidylyl-(3′→5′)-2′-deoxy-

2′-Deoxyguanylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidine

Thymidine, 2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-