Guanosine, (S)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-P-thiocytidylyl-(3′→5′)-(S)-2′-deoxy-P-thioadenylyl-(3′→5′)-(R)-P-thiothymidylyl-(3′→5′)-(R)-2′-deoxy-P-thiocytidylyl-(3′→5′)-2′-deoxy-

Guanosine, (S)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-P-thiocytidylyl-(3′→5′)-(R)-2′-deoxy-P-thioadenylyl-(3′→5′)-(S)-P-thiothymidylyl-(3′→5′)-(S)-2′-deoxy-P-thiocytidylyl-(3′→5′)-2′-deoxy-

Guanosine, (S)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-P-thiocytidylyl-(3′→5′)-(R)-2′-deoxy-P-thioadenylyl-(3′→5′)-(S)-P-thiothymidylyl-(3′→5′)-(R)-2′-deoxy-P-thiocytidylyl-(3′→5′)-2′-deoxy-

Guanosine, (S)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-P-thiocytidylyl-(3′→5′)-(R)-2′-deoxy-P-thioadenylyl-(3′→5′)-(R)-P-thiothymidylyl-(3′→5′)-(S)-2′-deoxy-P-thiocytidylyl-(3′→5′)-2′-deoxy-

Guanosine, (S)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-P-thiocytidylyl-(3′→5′)-(R)-2′-deoxy-P-thioadenylyl-(3′→5′)-(R)-P-thiothymidylyl-(3′→5′)-(R)-2′-deoxy-P-thiocytidylyl-(3′→5′)-2′-deoxy-

Thymidine, 5′-O-[(1,1-dimethylethyl)diphenylsilyl]-α,α,α-trifluoro-, 3′-(3,4,5-trimethoxybenzoate)

Uridine, 2′-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-5-fluoro-, 3′-(3,4,5-trimethoxybenzoate)

Uridine, 2′-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-5-iodo-, 3′-(3,4,5-trimethoxybenzoate)

Uridine, 2′-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-, 3′-(3,4,5-trimethoxybenzoate)

Thymidine, 5′-O-[(1,1-dimethylethyl)diphenylsilyl]-, 3′-(3,4,5-trimethoxybenzoate)

Thymidine, 5′-O-(phenylmethyl)-, 3′-(3,4,5-trimethoxybenzoate)

Thymidine, 3′-O-[(1,1-dimethylethyl)diphenylsilyl]-, 5′-benzoate

Thymidine, 3′-O-(phenylmethyl)-, 5′-benzoate

Thymidine, 5′-benzoate 3′-(2,4,6-trimethylbenzoate)

Thymidine, 5′-benzoate 3′-(4-methoxybenzoate)

Thymidine, 5′-benzoate 3′-[4-(trifluoromethyl)benzoate]

Thymidine, 5′-benzoate 3′-(1-naphthalenecarboxylate)

Thymidine, 3′-acetate 5′-benzoate

2′-Deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidine

Thymidine, thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-5-[2-[[3-[[4-[(3-aminopropyl)amino]butyl]amino]propyl]amino]-2-oxoethyl]-2′-deoxyuridylyl-(3′→5′)-thymidylyl-(3′→5′)-