N-[1-[(5R)-5-Deoxy-5-(diethoxyphosphinyl)-2,3-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-5-[[(4-methoxyphenyl)methyl]amino]-β-D-arabinofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]acetamide

Uridine, 5′-deoxy-5′-(diethoxyphosphinyl)-2′,3′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-[[(4-methoxyphenyl)methyl]amino]-, (5′R)-

Cytidine, N-acetyl-5′-deoxy-5′-(diethoxyphosphinyl)-2′,3′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-[[(4-methoxyphenyl)methyl]amino]-, (5′R)-

Uridine, 5′-deoxy-5′-(diethoxyphosphinyl)-2′,3′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-[[(4-methoxyphenyl)methyl]amino]-, (5′S)-

Cytidine, 5′-amino-5′-deoxy-5′-(dibutylphosphinyl)-2′,3′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-, (5′S)-

Cytidine, 5′-amino-5′-deoxy-5′-(diethoxyphosphinyl)-2′,3′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-, (5′S)-

Cytidine, N-acetyl-5′-amino-5′-deoxy-5′-(dibutylphosphinyl)-2′,3′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-, (5′S)-

Cytidine, N-acetyl-5′-amino-5′-deoxy-5′-(diethoxyphosphinyl)-2′,3′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-, (5′S)-

Cytidine, N-acetyl-5′-deoxy-5′-(dibutylphosphinyl)-2′,3′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-[[(4-methoxyphenyl)methylene]amino]-, (5′S)-

Cytidine, N-acetyl-5′-deoxy-5′-(diethoxyphosphinyl)-2′,3′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-[[(4-methoxyphenyl)methylene]amino]-, (5′S)-

Cytidine, 5′-deoxy-5′-(diethoxyphosphinyl)-2′,3′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-[[(4-methoxyphenyl)methylene]amino]-, (5′S)-

Cytidine, 5′-deoxy-5′-(diethoxyphosphinyl)-2′,3′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-[[(4-methoxyphenyl)methyl]amino]-, (5′S)-

Cytidine, N-acetyl-5′-deoxy-5′-(diethoxyphosphinyl)-2′,3′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-[[(4-methoxyphenyl)methyl]amino]-, (5′S)-

9-[(5S)-2-[5-O-[(1,1-Dimethylethyl)diphenylsilyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-5-isoxazolidinyl]-9H-purin-6-amine

9-[(5R)-2-[5-O-[(1,1-Dimethylethyl)diphenylsilyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-5-isoxazolidinyl]-9H-purin-6-amine

Cytidine, N-acetyl-5′-deoxy-5′-(dibutylphosphinyl)-2′,3′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-[[(4-methoxyphenyl)methyl]amino]-, (5′S)-

4-Amino-1-[(5S)-2-[5-O-[(1,1-dimethylethyl)diphenylsilyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-5-isoxazolidinyl]-5-fluoro-2(1H)-pyrimidinone

4-Amino-1-[(5R)-2-[5-O-[(1,1-dimethylethyl)diphenylsilyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-5-isoxazolidinyl]-5-fluoro-2(1H)-pyrimidinone

Guanosine, 2′-deoxy-5′-O-phosphonoguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxy-

Adenosine, 5′-O-[(2-cyanoethoxy)hydroxyphosphinyl]-2′-deoxy-N-(4-methoxybenzoyl)cytidylyl-(3′→5′)-thymidylyl-(3′→5′)-N-benzoyl-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-N-benzoyl-2′-deoxy-