1H-Pyrrole-3-carboxylic acid, 5-amino-4-[[(3-carboxypropyl)amino]carbonyl]-1-β-D-ribofuranosyl-

3H-Pyrrolo[2,3-d]pyrimidine-3-propanoic acid, 5-(aminocarbonyl)-4,7-dihydro-7-β-D-ribofuranosyl-

Carbamic acid, [3-[1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]propyl]-, 9H-fluoren-9-ylmethyl ester

Carbamic acid, [3-[1-(2-deoxy-β-D-erythro-pentofuranosyl)-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]propyl]-, 1,1-dimethylethyl ester

Cytidine, N-[(4-methoxyphenyl)diphenylmethyl]-5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 3′-[2-(methylamino)benzoate]

Cytidine, 2′-deoxy-N-[(4-methoxyphenyl)diphenylmethyl]-3′-O-[(4-methoxyphenyl)diphenylmethyl]-, 5′-[2-(methylamino)benzoate]

Cytidine, 2′-deoxy-N-[(4-methoxyphenyl)diphenylmethyl]-3′-O-[(4-methoxyphenyl)diphenylmethyl]-

Cytidine, 2′-deoxy-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-[(4-methoxyphenyl)diphenylmethyl]-3′-O-[(4-methoxyphenyl)diphenylmethyl]-

Cytidine, N-[(4-methoxyphenyl)diphenylmethyl]-5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 2′-[2-(methylamino)benzoate]

Cytidine, N-[(4-methoxyphenyl)diphenylmethyl]-5′-O-[(4-methoxyphenyl)diphenylmethyl]-

Cytidine, 2′,3′-O-(1-methylethylidene)-, 5′-[2-(methylamino)benzoate]

Cytidine, 2′-deoxy-N-[2-(methylamino)benzoyl]-, 3′-[2-(methylamino)benzoate]

Cytidine, 2′-[2-(methylamino)benzoate]

Cytidine, 3′-[2-(methylamino)benzoate]

Guanosine, [P(S)]-N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P,2′-dideoxy-P-[2-[(trifluoroacetyl)amino]ethyl]cytidylyl-(3′→5′)-2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(2-methyl-1-oxopropyl)-

Guanosine, [P(R)]-N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P,2′-dideoxy-P-[2-[(trifluoroacetyl)amino]ethyl]cytidylyl-(3′→5′)-2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(2-methyl-1-oxopropyl)-

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P,2′-dideoxy-P-[2-[(trifluoroacetyl)amino]ethyl]adenylyl-(3′→5′)-N-benzoyl-2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Cytidine, [P(R)]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-[2-[(trifluoroacetyl)amino]ethyl]thymidylyl-(3′→5′)-N-benzoyl-2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Cytidine, [P(S)]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-[2-[(trifluoroacetyl)amino]ethyl]thymidylyl-(3′→5′)-N-benzoyl-2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-