Thymidine, (R)-P(S)-[(4-nitrophenyl)methyl]-5′-O-(9-phenyl-9H-xanthen-9-yl)-P-thiothymidylyl-(3′→5′)-, 3′-acetate

Thymidine, (S)-P(S)-(2-cyanoethyl)-5′-O-(9-phenyl-9H-xanthen-9-yl)-P-thiothymidylyl-(3′→5′)-, 3′-acetate

Glycine, N-acetyl-, 3′-ester with 1-[2-deoxy-5-O-[(1,1-dimethylethyl)diphenylsilyl]-α-D-erythro-pentofuranosyl]-5-fluoro-2,4(1H,3H)-pyrimidinedione

Thymidine, (S)-P(S)-[(4-nitrophenyl)methyl]-5′-O-(9-phenyl-9H-xanthen-9-yl)-P-thiothymidylyl-(3′→5′)-, 3′-acetate

Thymidine, (S)-5′-O-(9-phenyl-9H-xanthen-9-yl)-P-thiothymidylyl-(3′→5′)-, 3′-acetate

Thymidine, (R)-5′-O-(9-phenyl-9H-xanthen-9-yl)-P-thiothymidylyl-(3′→5′)-, 3′-acetate

N-[9-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-threo-pentofuranosyl]-6,9-dihydro-6-oxo-1H-purin-2-yl]-2-methylpropanamide

Uridine, 2′,3′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-C-(phenylseleno)-, 5′-benzoate, (5′S)-

Uridine, 2′,3′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-C-(phenylseleno)-, 5′-benzoate, (5′R)-

Adenosine, 2′,3′-dideoxy-5′-O-[(2,2-dimethyl-1-oxopropoxy)methyl]-

Thymidine, 3′-azido-3′-deoxy-3-[1-[(ethoxycarbonyl)oxy]ethyl]-, 5′-(hydrogen butanedioate)

Thymidine, 3′-azido-3′-deoxy-3-[1-[(ethoxycarbonyl)oxy]ethyl]-, 5′-(diethylcarbamate)

Thymidine, 3′-azido-3′-deoxy-3-[1-[(ethoxycarbonyl)oxy]ethyl]-, 5′-(ethyl carbonate)

Thymidine, 3′-deoxy-3-[1-[(ethoxycarbonyl)oxy]ethyl]-, 5′-(ethyl carbonate)

Thymidine, 3′-azido-3′-deoxy-3-[1-[(ethoxycarbonyl)oxy]ethyl]-

Thymidine, 3′-deoxy-3-[1-[(ethoxycarbonyl)oxy]ethyl]-

Thymidine, 3′-azido-3′-deoxy-3-[(2,2-dimethyl-1-oxopropoxy)methyl]-

Thymidine, 3′-azido-3′-deoxy-5′-O-[dimethyl(1,1,2-trimethylpropyl)silyl]-3-[1-[(ethoxycarbonyl)oxy]ethyl]-

Thymidine, 3′-deoxy-5′-O-[dimethyl(1,1,2-trimethylpropyl)silyl]-3-[1-[(ethoxycarbonyl)oxy]ethyl]-

Thymidine, 3′-azido-3′-deoxy-3-[(2,2-dimethyl-1-oxopropoxy)methyl]-5′-O-[dimethyl(1,1,2-trimethylpropyl)silyl]-