4-Chloro-6,7-dihydro-7-(2,3,5-tri-O-acetyl-α-D-ribofuranosyl)-5H-pyrrolo[2,3-d]pyrimidine

4-Chloro-6,7-dihydro-7-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-5H-pyrrolo[2,3-d]pyrimidine

1,2,3,6-Tetrahydro-2,6-dioxo-3-β-D-ribofuranosyl-4-pyrimidineacetic acid

Uridine, 5′-amino-5-bromo-5′-deoxy-2′,3′-O-(1-methylethylidene)-

Uridine, 5-bromo-2′,3′-O-(1-methylethylidene)-5′-thio-, 5′-acetate

Thymidine, 2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-thymidylyl-(3′→5′)-

8,11-Epoxy-7H-[1,3]thiazocino[3,2-e]purine-9,10-diol, 4-amino-8,9,10,11-tetrahydro-, 10-(dihydrogen phosphate), [8S-(8α,9α,10α,11α)]-

9-(2-Deoxy-β-D-erythro-pentofuranosyl)-6-[(1-naphthalenylamino)oxy]-9H-purin-2-amine

Adenosine, cytidylyl-(3′→5′)-uridylyl-(3′→5′)-cytidylyl-(3′→5′)-guanylyl-(3′→5′)-uridylyl-(3′→5′)-cytidylyl-(3′→5′)-cytidylyl-(3′→5′)-

Thymidine, 5′-amino-5′-deoxy-3′-de(phosphinicooxy)thymidylyliminocarbonimidoylimino-(3′→5′)-2′,5′-dideoxy-3′-de(phosphinicooxy)guanylyliminocarbonimidoylimino-(3′→5′)-5′-deoxy-3′-de(phosphinicooxy)thymidylyliminocarbonimidoylimino-(3′→5′)-5′-deoxy-

Guanosine, 2′,3′,5′-trideoxy-3′-[[[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]thioxomethyl]amino]-5′-[[(4-methoxyphenyl)diphenylmethyl]amino]-N-(2-methyl-1-oxopropyl)-

Guanosine, 3′-amino-2′,3′,5′-trideoxy-5′-[[(4-methoxyphenyl)diphenylmethyl]amino]-N-(2-methyl-1-oxopropyl)-

N-[9-[(2R,4S,5R)-4-Azido-5-(azidomethyl)tetrahydro-2-furanyl]-6,9-dihydro-6-oxo-1H-purin-2-yl]-2-methylpropanamide

N-[9-[2-Deoxy-3,5-bis-O-(methylsulfonyl)-β-D-threo-pentofuranosyl]-6,9-dihydro-6-oxo-1H-purin-2-yl]-2-methylpropanamide

1-[2-Chloro-6-(methylamino)-9H-purin-9-yl]-1,3-dideoxy-3-fluoro-N-methyl-β-D-ribofuranuronamide

2-Chloro-N-[(3-iodophenyl)methyl]-9-β-D-xylofuranosyl-9H-purin-6-amine

1-[6-Amino-2-[(3-cyclopentyl-1-oxopropyl)amino]-9H-purin-9-yl]-1-deoxy-N-ethyl-β-D-ribofuranuronamide

1-[6-Amino-2-[(3-cyclopentyl-1-oxopropyl)amino]-9H-purin-9-yl]-1-deoxy-N-ethyl-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamide

1-[6-Amino-2-[(3-cyclopentyl-1-oxopropyl)amino]-9H-purin-9-yl]-1-deoxy-2,3-O-(1-methylethylidene)-β-D-ribofuranuronic acid

Adenosine, 2-[(3-cyclopentyl-1-oxopropyl)amino]-2′,3′-O-(1-methylethylidene)-