Thymidine, P-thiothymidylyloxy-1,2-ethanediylthio(mercaptophosphinylidene)-(3′→3′)-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-thiothymidylyloxy-1,2-ethanediylthio(mercaptophosphinylidene)-(3′→3′)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-

Thymidine, 3′-(hydrogen butylphosphonothioate)

Thymidine, 3′-(hydrogen butylphosphoramidothioate)

Thymidine, 3′-(S-butyl hydrogen phosphorodithioate)

Thymidine, 3′-[O-(4-nitrophenyl) hydrogen phosphorothioate]

Thymidine, 3′-(O-phenyl hydrogen phosphorothioate)

Thymidine, 3′-[O-(1-methylethyl) hydrogen phosphorothioate]

Thymidine, 3′-(O-butyl hydrogen phosphorothioate)

Thymidine, 3′-(O-methyl hydrogen phosphorothioate)

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-(hydrogen butylphosphonothioate)

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-(hydrogen butylphosphoramidothioate)

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-(S-butyl hydrogen phosphorodithioate)

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[O-(1-methylethyl) hydrogen phosphorothioate]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-(O-butyl hydrogen phosphorothioate)

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-(O-methyl hydrogen phosphorothioate)

Cytidine, 2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxy-

5-Methyl-1-[(2R,4S,5S)-tetrahydro-4-hydroxy-5-(5-oxo-1,2-dithiolan-3-yl)-2-furanyl]-2,4(1H,3H)-pyrimidinedione

5-Methyl-1-[(2R,4S,5S)-tetrahydro-4-hydroxy-5-(2-oxido-5-oxo-1,2-dithiolan-3-yl)-2-furanyl]-2,4(1H,3H)-pyrimidinedione

1-[(2R,4S,5S)-4-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]tetrahydro-5-(5-oxo-1,2-dithiolan-3-yl)-2-furanyl]-5-methyl-2,4(1H,3H)-pyrimidinedione