Cytidine, cytidylyl-(3′→5′)-uridylyl-(3′→5′)-cytidylyl-(3′→5′)-uridylyl-(3′→5′)-cytidylyl-(3′→5′)-

Adenosine, guanylyl-(3′→5′)-guanylyl-(3′→5′)-adenylyl-(3′→5′)-guanylyl-(3′→5′)-guanylyl-(3′→5′)-guanylyl-(3′→5′)-

1H-Pyrrolo[2,3-d]pyrimidine-5-carboxamide, N-(3-aminopropyl)-7-[2,3-di-O-acetyl-5-O-(2,2-dimethyl-1-oxopropyl)-β-D-ribofuranosyl]-2-[(2,2-dimethyl-1-oxopropyl)amino]-4,7-dihydro-4-oxo-

1H-Pyrrolo[2,3-d]pyrimidine-5-carboxamide, 2-amino-N-(2-cyanoethyl)-4,7-dihydro-4-oxo-7-β-D-ribofuranosyl-

1H-Pyrrolo[2,3-d]pyrimidine-5-carboxamide, N-(2-cyanoethyl)-7-[2,3-di-O-acetyl-5-O-(2,2-dimethyl-1-oxopropyl)-β-D-ribofuranosyl]-2-[(2,2-dimethyl-1-oxopropyl)amino]-4,7-dihydro-4-oxo-

N-(2-Cyanoethyl)-7-[2,3-di-O-acetyl-5-O-(2,2-dimethyl-1-oxopropyl)-β-D-ribofuranosyl]-2-[(2,2-dimethyl-1-oxopropyl)amino]-4-methoxy-7H-pyrrolo[2,3-d]pyrimidine-5-carboxamide

N-(2-Cyanoethyl)-2-[(2,2-dimethyl-1-oxopropyl)amino]-7-[5-O-(2,2-dimethyl-1-oxopropyl)-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-4-methoxy-7H-pyrrolo[2,3-d]pyrimidine-5-carboxamide

N-[7-[5-O-(2,2-Dimethyl-1-oxopropyl)-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-5-iodo-4-methoxy-7H-pyrrolo[2,3-d]pyrimidin-2-yl]-2,2-dimethylpropanamide

N-[7-[5-O-(2,2-Dimethyl-1-oxopropyl)-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-4-methoxy-7H-pyrrolo[2,3-d]pyrimidin-2-yl]-2,2-dimethylpropanamide

1H-Pyrrolo[2,3-d]pyrimidine-5-carboxamide, 2-amino-N-(3-aminopropyl)-4,7-dihydro-4-oxo-7-β-D-ribofuranosyl-

1H-Pyrrolo[2,3-d]pyrimidine-5-carboxamide, 2-amino-N-(3-amino-3-iminopropyl)-4,7-dihydro-4-oxo-7-β-D-ribofuranosyl-

3,7-Dihydro-7-β-D-ribofuranosyl-5-(trifluoromethyl)-4H-pyrrolo[2,3-d]pyrimidin-4-one

8-Methoxy-6-methyl-9-β-D-ribofuranosyl-9H-purine

8-Chloro-2′,3′-O-(phenylmethylene)adenosine

8-Chloro-2′,3′-O-[(4-methoxyphenyl)methylene]adenosine

Adenosine 5′-(trihydrogen diphosphate), 2′-(dihydrogen phosphate), P′→5′-ester with 1,4,5,6-tetrahydro-1-β-D-ribofuranosyl-3-pyridinecarboxamide, ion(1-)

6-(2-Deoxy-β-D-erythro-pentofuranosyl)-5,8-dihydro-3-(2-phenylethyl)pyrimido[4,5-c]pyridazin-7(6H)-one

6-β-D-Arabinofuranosyl-5,8-dihydro-3-(2-phenylethyl)pyrimido[4,5-c]pyridazin-7(6H)-one

5,8-Dihydro-3-(2-phenylethyl)-6-β-D-ribofuranosylpyrimido[4,5-c]pyridazin-7(6H)-one

3-(2-Deoxy-β-D-erythro-pentofuranosyl)-1,3-dihydro-6-(2-phenylethyl)-2H-pyrrolo[2,3-d]pyrimidin-2-one