Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-5-methyl-N-(4-phenoxyphenyl)-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Cytidine, 2′-deoxy-5-methyl-N-(4-phenoxyphenyl)-

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-5-methyl-N-(4-phenoxyphenyl)-

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-5-methyl-N-(4-phenoxyphenyl)-, 3′-acetate

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-acetate 4-(2,4,6-trimethylbenzenesulfonate)

Uridine, 5-[3-[[[[1-[3-O-[bis(4-methoxyphenyl)phenylmethyl]-5-chloro-2,5-dideoxy-β-D-erythro-pentofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]amino]acetyl]amino]-1-propynyl]-5′-chloro-2′,5′-dideoxy-, 3′-(hydrogen phosphonate)

Uridine, 5-[3-[[[[1-[3-O-[bis(4-methoxyphenyl)phenylmethyl]-5-chloro-2,5-dideoxy-β-D-erythro-pentofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]amino]acetyl]amino]-1-propynyl]-5′-chloro-2′,5′-dideoxy-

Cytidine, 3′-O-[bis(4-methoxyphenyl)phenylmethyl]-5′-chloro-2′,5′-dideoxy-N-[2-oxo-2-(2-propynylamino)ethyl]-

N-[1-[3-O-[Bis(4-methoxyphenyl)phenylmethyl]-5-chloro-2,5-dideoxy-β-D-erythro-pentofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]glycine methyl ester

Uridine, 3′-O-[bis(4-methoxyphenyl)phenylmethyl]-5′-chloro-2′,5′-dideoxy-

Thymidine, 3′-deoxy-3′-[[(1,1-dimethylethoxy)carbonyl]amino]-5′-O-(triphenylmethyl)-

Uridine, 3-[5-O-benzoyl-3-[(benzoyloxy)methyl]-2,3-dideoxy-α-D-erythro-pentofuranosyl]-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-2′,3′-O-(1-methylethylidene)-

Uridine, 3-[5-O-benzoyl-3-[(benzoyloxy)methyl]-2,3-dideoxy-β-D-erythro-pentofuranosyl]-2′,3′-O-(1-methylethylidene)-

Uridine, 3-[5-O-benzoyl-3-[(benzoyloxy)methyl]-2,3-dideoxy-α-D-erythro-pentofuranosyl]-2′,3′-O-(1-methylethylidene)-

Uridine, 5′-deoxy-2′,3′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-(hydroxyimino)-, (5′Z)-

Thymidine, 5′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-(hydroxyimino)-, (5′Z)-

Thymidine, 3′-de(phosphinicooxy)-5′-O-[(1,1-dimethylethyl)dimethylsilyl]thymidylyliminocarbonyl(oxyimino)-(3′→5′)-5′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Thymidine, 3′-de(phosphinicooxy)-5′-O-[(1,1-dimethylethyl)dimethylsilyl]thymidylyl(oxyimino)carbonylimino-(3′→5′)-5′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Thymidine, 3′-de(phosphinicooxy)thymidylyl-1,2-ethanediyl(oxyimino)-(3′→5′)-5′-deoxy-

Uridine, 2′-de(phosphinicooxy)uridylyl-1,2-ethanediyl(oxyimino)-(2′→5′)-5′-deoxy-