Thymidine 5′-(tetrahydrogen triphosphate), α-(phenylseleno)-

Uridine, 5′-deoxy-5′-(methylamino)-2′,3′-O-(1-methylethylidene)-

5′-Deoxy-2′,3′-O-(1-methylethylidene)-5′-[(phenylmethyl)amino]uridine

5′-Deoxy-2′,3′-O-(1-methylethylidene)-5′-[[(2-nitrophenyl)sulfonyl](phenylmethyl)amino]uridine

Uridine, 5′-deoxy-5′-[[(2-nitrophenyl)sulfonyl](phenylmethyl)amino]-, 2′,3′-diacetate

Guanosine, 8-bromo-2′-deoxy-, 3′,5′-diacetate

Uridine, 5-chloro-3-methyl-, 2′,3′,5′-triacetate

Guanosine, 8-chloro-, 2′,3′,5′-triacetate

Cytidine, N-acetyl-5-chloro-2′-deoxy-, 3′,5′-diacetate

Cytidine, N-acetyl-5-chloro-, 2′,3′,5′-triacetate

3′-Guanylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(5-chloro-8-quinolinyl)-2′-O-[(4-methoxyphenyl)methyl]uridylyl-(3′→5′)-N-benzoyl-2′-O-[(4-methoxyphenyl)methyl]-, 4-chlorophenyl 5-chloro-8-quinolinyl ester

Adenosine, uridylyl-(3′→5′)-uridylyl-(3′→5′)-guanylyl-(3′→5′)-adenylyl-(3′→5′)-cytidylyl-(3′→5′)-

3′-Guanylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(5-chloro-8-quinolinyl)-2′-O-[(4-methoxyphenyl)methyl]uridylyl-(3′→5′)-P-(5-chloro-8-quinolinyl)-2′-O-[(4-methoxyphenyl)methyl]uridylyl-(3′→5′)-N-benzoyl-2′-O-[(4-methoxyphenyl)methyl]-, mono(5-chloro-8-quinolinyl) ester

3′-Guanylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(5-chloro-8-quinolinyl)-2′-O-[(4-methoxyphenyl)methyl]uridylyl-(3′→5′)-P-(5-chloro-8-quinolinyl)-2′-O-[(4-methoxyphenyl)methyl]uridylyl-(3′→5′)-N-benzoyl-2′-O-[(4-methoxyphenyl)methyl]-, 4-chlorophenyl 5-chloro-8-quinolinyl ester

Uridine, 2′-deoxy-5-fluoro-, 5′-[2-[(4-methylphenyl)thio]ethyl bis(2-chloroethyl)phosphoramidate]

Uridine, 2′-deoxy-5-fluoro-, 5′-[2-[(4-methylphenyl)thio]ethyl phosphoramidate]

Uridine, 2′-deoxy-, 5′-[2-[(4-methylphenyl)thio]ethyl bis(2-chloroethyl)phosphoramidate]

Uridine, 2′-deoxy-, 5′-[2-[(4-methylphenyl)thio]ethyl phosphoramidate]

Uridine, 2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-5-fluoro-, 5′-[2-[(4-methylphenyl)thio]ethyl phosphoramidate]

Uridine, 2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 5′-[2-[(4-methylphenyl)thio]ethyl bis(2-chloroethyl)phosphoramidate]