Guanosine, thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-O-methylcytidylyl-(3′→5′)-2′-O-methylcytidylyl-(3′→5′)-2′-O-methyluridylyl-(3′→5′)-2′-deoxy-

Guanosine, thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-O-methyl-

Thymidine, P-deoxy-P-(dimethylamino)thymidylyl-(3′→5′)-

Thymidine, 3′-(hydrogen phosphoramidate)

Uridine, P-(2-chlorophenyl)-5′-O-(1,4-dioxopentyl)uridylyl-(3′→5′)-2′,3′-O-(methoxymethylene)-

Thymidine, P-(2-chlorophenyl)-2′-deoxy-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(diphenylacetyl)guanylyl-(3′→5′)-, 3′-(α-phenylbenzeneacetate)

Thymidine, P-(2-chlorophenyl)-2′-deoxy-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(4-methoxybenzoyl)cytidylyl-(3′→5′)-, 3′-(α-phenylbenzeneacetate)

Thymidine, N-benzoyl-P-(2-chlorophenyl)-2′-deoxy-5′-O-[(1,1-dimethylethyl)dimethylsilyl]adenylyl-(3′→5′)-, 3′-(α-phenylbenzeneacetate)

Thymidine, P-(2-chlorophenyl)-5′-O-[(1,1-dimethylethyl)dimethylsilyl]thymidylyl-(3′→5′)-, 3′-(α-phenylbenzeneacetate)

Thymidine, 3′-(α-phenylbenzeneacetate)

3′-Adenylic acid, N-benzoyl-2′-deoxy-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 2-chlorophenyl 2,2,2-tribromoethyl ester

3′-Guanylic acid, 2′-deoxy-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(diphenylacetyl)-, 2-chlorophenyl 2,2,2-tribromoethyl ester

3′-Cytidylic acid, 2′-deoxy-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(4-methoxybenzoyl)-, 2-chlorophenyl 2,2,2-tribromoethyl ester

3′-Thymidylic acid, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 2-chlorophenyl 2-cyanoethyl ester

Guanosine, 2′-deoxy-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(diphenylacetyl)-

Cytidine, 2′-deoxy-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(4-methoxybenzoyl)-

3′-Thymidylic acid, 2-chlorophenyl 2-cyanoethyl ester

3′-Guanylic acid, 2′-deoxy-N-(2-methyl-1-oxopropyl)-, 2-chlorophenyl 2-cyanoethyl ester

3′-Cytidylic acid, N-benzoyl-2′-deoxy-, 2-chlorophenyl 2-cyanoethyl ester

2-Chlorophenyl 2-cyanoethyl 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-thymidylate