5′-Cytidylic acid, 5-[[[2-(1H-imidazol-4-yl)ethyl]amino]carbonyl]-

5′-Cytidylic acid, 5-[[(4-pyridinylmethyl)amino]carbonyl]-

5′-Cytidylic acid, 5-[[(1-methylethyl)amino]carbonyl]-

5′-Cytidylic acid, 5-[[(2-methylpropyl)amino]carbonyl]-

5′-Cytidylic acid, 5-[(butylamino)carbonyl]-

5′-Uridylic acid, 5-[[[2-(1H-indol-3-yl)ethyl]amino]carbonyl]-

5′-Uridylic acid, 5-[(butylamino)carbonyl]-

5′-Uridylic acid, 5-[[(1-methylethyl)amino]carbonyl]-

5′-Uridylic acid, 5-[[(2-methylpropyl)amino]carbonyl]-

5′-Uridylic acid, 5-[[[2-(4-hydroxyphenyl)ethyl]amino]carbonyl]-

4-[[[1,2,3,4-Tetrahydro-2,4-dioxo-1-(5-O-phosphono-β-D-ribofuranosyl)-5-pyrimidinyl]carbonyl]amino]butanoic acid

5′-Uridylic acid, 5-[[(4-pyridinylmethyl)amino]carbonyl]-

Uridine, 5-[[(6-aminohexyl)amino]carbonyl]-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-2′,3′-O-(1-methylethylidene)-

Uridine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-2′,3′-O-(1-methylethylidene)-5-[[[2-(1H-indol-3-yl)ethyl]amino]carbonyl]-

N2-[[1-[5-O-[(1,1-Dimethylethyl)dimethylsilyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]carbonyl]-L-arginine ethyl ester

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-5-[[[(1S)-2-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-1-(1H-imidazol-4-ylmethyl)ethyl]amino]carbonyl]-2′,3′-O-(1-methylethylidene)-

Methyl 1-[5-O-[(1,1-dimethylethyl)dimethylsilyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinecarboxylate

Methyl 1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinecarboxylate

Guanosine, 8-[[[2-[[5-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-1-oxopentyl]amino]ethyl]amino]carbonyl]-

Guanosine, 8-[[(4-pyridinylmethyl)amino]carbonyl]-