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

β-D-arabino-Uridine, guanylyl-(3′→5′)-

3,9-Dihydro-9-(5-O-phosphono-β-D-arabinofuranosyl)-1H-purine-2,6-dione

5'-Chloro-3',5'-dideoxyadenosine

5'-Chloro-2',5'-dideoxyadenosine

1-(5-Chloro-5-deoxy-β-D-ribofuranosyl)-N-methyl-1H-imidazo[4,5-c]pyridin-4-amine

Adenosine, 5′-S-(3-amino-3-carboxypropyl)-3′-deoxy-5′-thio-, (R)-

Adenosine, 5′-S-(3-amino-3-carboxypropyl)-2′-deoxy-5′-thio-, (R)-

3′-Uridylic acid, 2′-O-acetyl-5′-O-[(4-methoxyphenyl)diphenylmethyl]-P-(2,2,2-trichloroethyl)uridylyl-(3′→5′)-, 2-cyanoethyl 2,2,2-trichloroethyl ester, 2′-acetate

Uridine 5′-(trihydrogen diphosphate), 5-iodo-, P′-α-D-glucopyranosyl ester

5-Amino-1-(2,3-di-O-acetyl-5-deoxy-β-D-ribofuranosyl)-1H-imidazole-4-carbonitrile

1-(5-Deoxy-β-D-ribofuranosyl)-1H-imidazole-4-carboxamide

1-(5-Deoxy-β-D-ribofuranosyl)-1H-imidazole-4-carbothioamide

5-Amino-1-(5-deoxy-β-D-ribofuranosyl)-1H-imidazole-4-carbothioamide

1-(2,3-Di-O-acetyl-5-deoxy-β-D-ribofuranosyl)-1H-imidazole-4-carbonitrile

5-Amino-1-(5-deoxy-5-iodo-β-D-ribofuranosyl)-1H-imidazole-4-carboxamide

5-Amino-1-[5-deoxy-5-iodo-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-1H-imidazole-4-carboxamide

Adenosine, N-benzoyl-2′-O-(tetrahydro-2H-pyran-2-yl)-P-(2,2,2-trichloroethyl)adenylyl-(3′→5′)-2′-O-(tetrahydro-2H-pyran-2-yl)-P-(2,2,2-trichloroethyl)uridylyl-(3′→5′)-N-benzoyl-2′,3′-bis-O-(tetrahydro-2H-pyran-2-yl)-

Thymidine, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-P-phenylthymidylyl-(3′→5′)-

9-(6-Deoxy-β-L-gulofuranosyl)-9H-purin-6-amine