Cytidine, 2′-deoxy-5-(1-pentynyl)-

1-(2-Deoxy-5-O-phosphono-β-D-erythro-pentofuranosyl)-1H-1,2,4-triazole-3-carboxamide

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-(1-oxopropyl)-P(S)-phenyl-P-thioguanylyl-(3′→5′)-2′-deoxy-N-(1-oxopropyl)-, 6-(diphenylcarbamate) 3′-(S,S-diphenyl phosphorodithioate)

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-(1-oxopropyl)-, 6-(diphenylcarbamate) 3′-(S-phenyl hydrogen phosphorothioate)

Guanosine, 2′-deoxy-N-(1-oxopropyl)-, 6-(diphenylcarbamate)

Thymidine, P-[2-chloro-4-(triphenylmethyl)phenyl]thymidylyl-(3′→5′)-, 3′-benzoate

3′-Thymidylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-[2-chloro-4-(triphenylmethyl)phenyl]thymidylyl-(3′→5′)-P-[2-chloro-4-(triphenylmethyl)phenyl]thymidylyl-(3′→5′)-P-[2-chloro-4-(triphenylmethyl)phenyl]thymidylyl-(3′→5′)-, mono[2-chloro-4-(triphenylmethyl)methyl] ester

3′-Thymidylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-[2-chloro-4-(triphenylmethyl)phenyl]thymidylyl-(3′→5′)-P-[2-chloro-4-(triphenylmethyl)phenyl]thymidylyl-(3′→5′)-P-[2-chloro-4-(triphenylmethyl)phenyl]thymidylyl-(3′→5′)-, 2-chloro-4-(triphenylmethyl)phenyl 2-cyanoethyl ester

3′-Thymidylic acid, P-[2-chloro-4-(triphenylmethyl)phenyl]thymidylyl-(3′→5′)-, 2-chloro-4-(triphenylmethyl)phenyl 2-cyanoethyl ester

3′-Thymidylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-[2-chloro-4-(triphenylmethyl)phenyl]thymidylyl-(3′→5′)-, mono[2-chloro-4-(triphenylmethyl)methyl] ester

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-[2-chloro-4-(triphenylmethyl)phenyl]thymidylyl-(3′→5′)-, 3′-benzoate

3′-Guanylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-(2-methyl-1-oxopropyl)-, 2-chloro-4-(triphenylmethyl)phenyl 2-cyanoethyl ester

3′-Cytidylic acid, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 2-chloro-4-(triphenylmethyl)phenyl 2-cyanoethyl ester

3′-Adenylic acid, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 2-chloro-4-(triphenylmethyl)phenyl 2-cyanoethyl ester

Cytidine, N-cyclopropyl-

5′-Uridylic acid, 2′-deoxy-5-fluoro-, mono(4-phenylbutyl) ester

5′-Uridylic acid, 2′-deoxy-5-fluoro-, monotetradecyl ester, 3′-benzoate

5′-Uridylic acid, 2′-deoxy-5-fluoro-, monoheptadecyl ester

5′-Uridylic acid, 2′-deoxy-5-fluoro-, monoheptadecyl ester, 3′-acetate

5′-Uridylic acid, 2′-deoxy-5-fluoro-, monoundecyl ester, 3′-acetate