Cytidine, [P(S)]-2′,3′-di-O-benzoyl-N-(2-methyl-1-oxopropyl)-6-O-[2-(4-nitrophenyl)ethyl]-P-thioguanylyl-(5′→2′)-N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]adenylyl-(3′→5′)-N-benzoyl-, 2′,3′-dibenzoate

Cytidine, [P(R)]-2′,3′-di-O-benzoyl-N-(2-methyl-1-oxopropyl)-6-O-[2-(4-nitrophenyl)ethyl]-P-thioguanylyl-(5′→2′)-N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]adenylyl-(3′→5′)-N-benzoyl-, 2′,3′-dibenzoate

Cytidine, [P(S)]-2′,3′-di-O-benzoyl-N-(2-methyl-1-oxopropyl)-6-O-[2-(4-nitrophenyl)ethyl]-P-thioguanylyl-(5′→2′)-N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-cyanoethyl)adenylyl-(3′→5′)-N-benzoyl-, 2′,3′-dibenzoate

Cytidine, [P(R)]-2′,3′-di-O-benzoyl-N-(2-methyl-1-oxopropyl)-6-O-[2-(4-nitrophenyl)ethyl]-P-thioguanylyl-(5′→2′)-N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-cyanoethyl)adenylyl-(3′→5′)-N-benzoyl-, 2′,3′-dibenzoate

Guanosine, [P(S)]-N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-thioadenylyl-(2′→5′)-N-(2-methyl-1-oxopropyl)-6-O-[2-(4-nitrophenyl)ethyl]-, 2′,3′-dibenzoate

Guanosine, [P(R)]-N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-thioadenylyl-(2′→5′)-N-(2-methyl-1-oxopropyl)-6-O-[2-(4-nitrophenyl)ethyl]-, 2′,3′-dibenzoate

Guanosine, [P(S)]-N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-P-thioadenylyl-(2′→5′)-N-(2-methyl-1-oxopropyl)-6-O-[2-(4-nitrophenyl)ethyl]-, 2′,3′-dibenzoate

Guanosine, [P(R)]-N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-P-thioadenylyl-(2′→5′)-N-(2-methyl-1-oxopropyl)-6-O-[2-(4-nitrophenyl)ethyl]-, 2′,3′-dibenzoate

Guanosine, [P(S)]-N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-P-thioadenylyl-(2′→5′)-N-(2-methyl-1-oxopropyl)-6-O-[2-(4-nitrophenyl)ethyl]-, 2′,3′-dibenzoate

Guanosine, [P(R)]-N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-P-thioadenylyl-(2′→5′)-N-(2-methyl-1-oxopropyl)-6-O-[2-(4-nitrophenyl)ethyl]-, 2′,3′-dibenzoate

Guanosine, N-(2-methyl-1-oxopropyl)-6-O-[2-(4-nitrophenyl)ethyl]-, 2′,3′-dibenzoate

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-N-(2-methyl-1-oxopropyl)-6-O-[2-(4-nitrophenyl)ethyl]-, 2′,3′-dibenzoate

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

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

Thymidine, P-[[bis(phenylmethoxy)phosphinyl]methyl]-P-deoxy-5′-O-(triphenylmethyl)thymidylyl-(3′→5′)-3′-O-(phenylmethyl)-

6-Chloro-9-[5-O-[[(diethoxyphosphinyl)methyl]ethoxyphosphinyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-9H-purine

Thymidine, 2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-

Xanthylic acid, 1,3-dimethyl-

Thymidine, thymidylyl-(3′→5′)-2′-O,4′-C-methyleneguanylyl-(3′→5′)-2′-O,4′-C-methyleneguanylyl-(3′→5′)-2′-O,4′-C-methyleneguanylyl-(3′→5′)-2′-O,4′-C-methyleneguanylyl-(3′→5′)-

Thymidine, thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-O,4′-C-methyleneguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-O,4′-C-methyleneguanylyl-(3′→5′)-