3′-Thymidylic acid, 2-(5-chloro-2-pyrimidinyl)ethyl 2,5-dichlorophenyl ester

3′-Thymidylic acid, 2,5-dichlorophenyl 2-(5-phenyl-2-pyrimidinyl)ethyl ester

3′-Thymidylic acid, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 2,5-dichlorophenyl 2-(2-pyridinyl)ethyl ester

3′-Thymidylic acid, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 2,5-dichlorophenyl 2-(4-pyridinyl)ethyl ester

3′-Thymidylic acid, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 2,5-dichlorophenyl 2,2-diphenylethyl ester

3′-Thymidylic acid, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 2,5-dichlorophenyl 2-pyrazinylethyl ester

3′-Guanylic acid, 2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxy-

Thymidine, 3′-de(phosphinicooxy)thymidylyl-1,2-ethanediyl(butylimino)-(3′→5′)-5′-deoxy-

Thymidine, 3′-de(phosphinicooxy)thymidylyl-1,2-ethanediyl[[3-(1H-imidazol-4-yl)propyl]imino]-(3′→5′)-5′-deoxy-

Thymidine, 3′-de(phosphinicooxy)thymidylyl-1,2-ethanediyl[(2-aminoethyl)imino]-(3′→5′)-5′-deoxy-

Thymidine, 3′-de(phosphinicooxy)thymidylyl-1,2-ethanediyl(propylimino)-(3′→5′)-5′-deoxy-

2′-Deoxy-2-thiocytidine 5′-(tetrahydrogen triphosphate)

7-[2-Deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1,7-dihydro-2H-pyrrolo[2,3-d]pyrimidin-2-one

1,7-Dihydro-7-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-ribofuranosyl]-2H-pyrrolo[2,3-d]pyrimidin-2-one

2-Thiothymidine 5′-(tetrahydrogen triphosphate)

Guanosine, 2′,3′-dideoxy-, 5′-(bicyclo[2.2.1]hept-2-yl phosphonate)

Adenosine, 2′,3′-dideoxy-, 5′-(bicyclo[2.2.1]hept-2-yl phosphonate)

Cytidine, 2′,3′-dideoxy-, 5′-(bicyclo[2.2.1]hept-2-yl phosphonate)

Thymidine, 3′-deoxy-3′-fluoro-, 5′-(bicyclo[2.2.1]hept-2-yl phosphonate)

Thymidine, 3′-amino-3′-deoxy-, 5′-(bicyclo[2.2.1]hept-2-yl phosphonate)