Guanosine, 2′,3′-O-[p-(dimethylamino)benzylidene]-

Cytidine, N-benzoyl-2′,3′-O-(2,4-dimethoxybenzylidene)-

Cytidine, 2′,3′-O-[(2,4-dimethoxyphenyl)methylene]-

Hydrazinecarboxylic acid, 2-[7-[(5R)-5-C-(4-chlorophenyl)-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-4-yl]-1-methyl-, 1,1-dimethylethyl ester

7H-Pyrrolo[2,3-d]pyrimidin-4-amine, 7-[6-deoxy-5-C-(3,4-dichlorophenyl)-2,3-O-(1-methylethylidene)-α-L-talofuranosyl]-N-methoxy-

7H-Pyrrolo[2,3-d]pyrimidine, 4-hydrazinyl-7-[(5R)-5-C-[4-(trifluoromethyl)phenyl]-β-D-ribofuranosyl]-

7H-Pyrrolo[2,3-d]pyrimidin-4-amine, 7-[5-(4-chlorophenyl)-5,6-dideoxy-2,3-O-(1-methylethylidene)-β-D-allofuranosyl]-

7H-Pyrrolo[2,3-d]pyrimidine, 4-chloro-7-[5-(4-chlorophenyl)-5,6-dideoxy-2,3-O-(1-methylethylidene)-β-D-allofuranosyl]-

7H-Pyrrolo[2,3-d]pyrimidin-4-amine, 7-[6-(2-amino-3-bromo-7-quinolinyl)-5,6-dideoxy-β-D-ribo-hexofuranosyl]-N-hydroxy-

7H-Pyrrolo[2,3-d]pyrimidin-4-amine, 7-[6-(2-amino-3-bromo-7-quinolinyl)-5,6-dideoxy-β-D-ribo-hexofuranosyl]-N-methoxy-