Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[[(phenylmethoxy)carbonyl]sulfamate]

Cytidine, thymidylyl-(3′→5′)-2′,3′-dideoxy-

Thymidine, 2′,3′-dideoxy-N-(1-oxohexadecyl)cytidylyl-(5′→5′)-3′-azido-3′-deoxy-

Inosine, 2′,3′-dideoxy-N-(1-oxohexadecyl)cytidylyl-(5′→5′)-2′,3′-dideoxy-

Cytidine, 2′,3′-dideoxy-N-(1-oxohexadecyl)-, 5′-(hydrogen phosphonate)

Thymidine, P(S)-[2-(acetylthio)ethyl]-P-thiothymidylyl-(3′→5′)-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-4′-C-ethenyl-

1-[(2R,4S,5R)-5-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-4-[(ethenyldiphenylsilyl)oxy]tetrahydro-5-(phenylseleno)-2-furanyl]-5-methyl-2,4(1H,3H)-pyrimidinedione