3′-Uridylic acid, 2′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 2,5-dichlorophenyl 2-(4-nitrophenyl)ethyl ester

3′-Uridylic acid, 2′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 2-chlorophenyl 2-cyanoethyl ester

3′-Cytidylic acid, N-benzoyl-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 2,5-dichlorophenyl 2-(4-nitrophenyl)ethyl ester

3′-Cytidylic acid, N-benzoyl-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 2-chlorophenyl 2-cyanoethyl ester

3′-Guanylic acid, 2′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-O-[(4-methoxyphenyl)diphenylmethyl]-N-(2-methyl-1-oxopropyl)-, 2,5-dichlorophenyl 2-(4-nitrophenyl)ethyl ester

3′-Guanylic acid, 2′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-O-[(4-methoxyphenyl)diphenylmethyl]-N-(2-methyl-1-oxopropyl)-, 2-chlorophenyl 2-cyanoethyl ester

Uridine, 2′-O-[(1,1-dimethylethyl)dimethylsilyl]-5,6-dihydro-5′-O-[(4-methoxyphenyl)diphenylmethyl]-

Guanosine, 2′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-O-[(4-methoxyphenyl)diphenylmethyl]-N-(2-methyl-1-oxopropyl)-

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

3′-Thymidylic acid, 5′-O-(triphenylmethyl)-, 2-(2-chloro-4-nitrophenyl)ethyl 2,2,2-trichloroethyl ester

3′-Thymidylic acid, 5′-O-(triphenylmethyl)-, 2-(2-chloro-4-nitrophenyl)ethyl 4-nitrophenyl ester

3′-Thymidylic acid, 5′-O-(triphenylmethyl)-, 2-chloroethyl 2,5-dichlorophenyl ester

3′-Thymidylic acid, 5′-O-(triphenylmethyl)-, 2,5-dichlorophenyl 2,2,2-trifluoroethyl ester

3′-Thymidylic acid, 5′-O-(triphenylmethyl)-, 2-chlorophenyl 2-cyanoethyl ester

3′-Thymidylic acid, 5′-O-(triphenylmethyl)-, 2,5-dichlorophenyl 2-fluoroethyl ester

3′-Thymidylic acid, 5′-O-(triphenylmethyl)-, 2-chlorophenyl 2-fluoroethyl ester

3′-Thymidylic acid, 5′-O-(triphenylmethyl)-, 2-chlorophenyl 2-(2-cyano-4-nitrophenyl)ethyl ester

3′-Thymidylic acid, 5′-O-(triphenylmethyl)-, 2-chlorophenyl 2-(2,4-dicyanophenyl)ethyl ester

3′-Thymidylic acid, 5′-O-(triphenylmethyl)-, 2,5-dichlorophenyl 2-phenylethyl ester

3′-Guanylic acid, N-(3-chlorobenzoyl)-P-(2-chlorophenyl)-2′-deoxy-5′-O-(9-phenyl-9H-xanthen-9-yl)adenylyl-(3′→5′)-2′-deoxy-N-[4-(1,1-dimethylethyl)benzoyl]-, 2-chlorophenyl 2,2,2-tribromoethyl ester