3′-Guanylic acid, N-acetyl-2′-deoxy-5′-O-[(4-methoxyphenyl)diphenylmethyl]-P-(2,2,2-trichloroethyl)guanylyl-(3′→5′)-N-acetyl-2′-deoxy-, mono(2,2,2-trichloroethyl) ester

3′-Thymidylic acid, N-acetyl-2′-deoxy-5′-O-[(4-methoxyphenyl)diphenylmethyl]-P-(2,2,2-trichloroethyl)guanylyl-(3′→5′)-, mono(2,2,2-trichloroethyl) ester

3′-Adenylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2,2,2-trichloroethyl)thymidylyl-(3′→5′)-N-benzoyl-2′-deoxy-, mono(2,2,2-trichloroethyl) ester

3′-Thymidylic acid, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-P-(2,2,2-trichloroethyl)adenylyl-(3′→5′)-, mono(2,2,2-trichloroethyl) ester

3′-Cytidylic acid, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-P-(2,2,2-trichloroethyl)adenylyl-(3′→5′)-2′-deoxy-N-(4-methoxybenzoyl)-, mono(2,2,2-trichloroethyl) ester

3′-Cytidylic acid, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-P-(2,2,2-trichloroethyl)adenylyl-(3′→5′)-2′-deoxy-, mono(2,2,2-trichloroethyl) ester

3′-Cytidylic acid, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-P-(2,2,2-trichloroethyl)cytidylyl-(3′→5′)-N-benzoyl-2′-deoxy-, mono(2,2,2-trichloroethyl) ester

3′-Cytidylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2,2,2-trichloroethyl)thymidylyl-(3′→5′)-N-benzoyl-2′-deoxy-, mono(2,2,2-trichloroethyl) ester

3′-Thymidylic acid, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-P-(2,2,2-trichloroethyl)cytidylyl-(3′→5′)-, mono(2,2,2-trichloroethyl) ester

3′-Adenylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-(4-methoxybenzoyl)-P-(2,2,2-trichloroethyl)cytidylyl-(3′→5′)-N-benzoyl-2′-deoxy-, 2-cyanoethyl 2,2,2-trichloroethyl ester

3′-Adenylic acid, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-P-(2,2,2-trichloroethyl)cytidylyl-(3′→5′)-N-benzoyl-2′-deoxy-, 2-cyanoethyl 2,2,2-trichloroethyl ester

3′-Guanylic acid, N-acetyl-2′-deoxy-5′-O-[(4-methoxyphenyl)diphenylmethyl]-P-(2,2,2-trichloroethyl)guanylyl-(3′→5′)-N-acetyl-2′-deoxy-, 2-cyanoethyl 2,2,2-trichloroethyl ester

3′-Thymidylic acid, N-acetyl-2′-deoxy-5′-O-[(4-methoxyphenyl)diphenylmethyl]-P-(2,2,2-trichloroethyl)guanylyl-(3′→5′)-, 2-cyanoethyl 2,2,2-trichloroethyl ester

3′-Adenylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-(2,2,2-trichloroethyl)thymidylyl-(3′→5′)-N-benzoyl-2′-deoxy-, 2-cyanoethyl 2,2,2-trichloroethyl ester

3′-Thymidylic acid, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-P-(2,2,2-trichloroethyl)adenylyl-(3′→5′)-, 2-cyanoethyl 2,2,2-trichloroethyl ester

3′-Cytidylic acid, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-P-(2,2,2-trichloroethyl)adenylyl-(3′→5′)-2′-deoxy-N-(4-methoxybenzoyl)-, 2-cyanoethyl 2,2,2-trichloroethyl ester

3′-Cytidylic acid, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-P-(2,2,2-trichloroethyl)adenylyl-(3′→5′)-2′-deoxy-, 2-cyanoethyl 2,2,2-trichloroethyl ester

3′-Cytidylic acid, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-P-(2,2,2-trichloroethyl)cytidylyl-(3′→5′)-N-benzoyl-2′-deoxy-, 2-cyanoethyl 2,2,2-trichloroethyl ester

3′-Guanylic acid, N-acetyl-2′-deoxy-5′-O-[(4-methoxyphenyl)diphenylmethyl]-, mono(2,2,2-trichloroethyl) ester

3′-Adenylic acid, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, mono(2,2,2-trichloroethyl) ester