(2′S)-2′-Chloro-2′-deoxy-2′-fluoro-3′,5′-bis-O-(4-methylphenyl)uridine

Thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-P-[3-(2-nitrophenyl)propyl]-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidine

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[3-phenylpropyl N,N-bis(1-methylethyl)phosphoramidite]

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

(2′S)-N-Benzoyl-2′-chloro-2′-deoxy-2′-fluoro-3′,5′-bis-O-(4-methylphenyl)cytidine

Uridine, 3′-de(phosphinicooxy)-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-O-[(4-methoxyphenyl)diphenylmethyl]uridylyl(2-oxo-1,2-ethanediyl)imino-(3′→5′)-5′-deoxy-, 2′-(2-chlorobenzoate) 3′-(hydrogen phosphonate)

Uridine, 3′-de(phosphinicooxy)-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-O-[(4-methoxyphenyl)diphenylmethyl]uridylyl(2-oxo-1,2-ethanediyl)imino-(3′→5′)-5′-deoxy-

Uridine, 3′-de(phosphinicooxy)-2′-O-[(1,1-dimethylethyl)dimethylsilyl]uridylyl(2-oxo-1,2-ethanediyl)imino-(3′→5′)-5′-deoxy-