9H-[1,2,4]Triazolo[1,5-a]purin-9-one, 3,4-dihydro-3-[5-O-[hydroxy(phosphonooxy)phosphinyl]-β-D-ribofuranosyl]-

L-Aspartic acid, N-[[5-amino-1-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-1H-imidazol-4-yl]carbonyl]-, dimethyl ester

1-Naphthalenesulfonic acid, 5-[[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]amino]-, P′′→5′-ester with uridine

β-D-Ribofuranuronamide, 1-(6-amino-9H-purin-9-yl)-1-deoxy-N-ethyl-, 2,3-dipropanoate

β-D-Ribofuranuronamide, 1-(6-amino-9H-purin-9-yl)-N-cyclobutyl-1-deoxy-, 2,3-diacetate

β-D-Ribofuranuronamide, N-cyclopropyl-1-deoxy-1-[6-(methylamino)-9H-purin-9-yl]-2,3-O-(1-methylethylidene)-

N-Cyclopropyl-1-deoxy-1-[6-(methylamino)-9H-purin-9-yl]-β-D-ribofuranuronamide

1-Deoxy-N-ethyl-1-[6-(methylamino)-9H-purin-9-yl]-β-D-ribofuranuronamide

β-D-Ribofuranuronamide, 1-deoxy-N-ethyl-1-[6-(methylamino)-9H-purin-9-yl]-2,3-O-(1-methylethylidene)-

β-D-Ribofuranuronoyl chloride, 1-deoxy-1-[6-(methylamino)-9H-purin-9-yl]-2,3-O-(1-methylethylidene)-

1-Deoxy-1-[6-(methylamino)-9H-purin-9-yl]-2,3-O-(1-methylethylidene)-β-D-ribofuranuronic acid

1-(6-Amino-1-oxido-9H-purin-9-yl)-1-deoxy-N-ethyl-β-D-ribofuranuronamide

1-(6-Amino-1-oxido-9H-purin-9-yl)-N-cyclopropyl-1-deoxy-β-D-ribofuranuronamide

β-D-Ribofuranuronamide, 1-(6-amino-9H-purin-9-yl)-1-deoxy-N-ethyl-, cyclic carbonate

1-Deoxy-1-(2,6-diamino-9H-purin-9-yl)-N-ethyl-β-D-ribofuranuronamide

1-(6-Amino-2-chloro-9H-purin-9-yl)-1-deoxy-N-ethyl-β-D-ribofuranuronamide

1-(6-Amino-2-chloro-9H-purin-9-yl)-1-deoxy-2,3-O-(1-methylethylidene)-β-D-ribofuranuronic acid

5′-Guanylic acid, 2′-azido-2′-deoxy-

β-D-Ribofuranuronamide, 1-(6-amino-9H-purin-9-yl)-1-deoxy-2,3-O-(ethoxymethylene)-N-ethyl-

Benzoic acid, 4-[4,6,7,9-tetrahydro-6,7-dihydroxy-9-oxo-3-(5-O-phosphono-β-D-ribofuranosyl)-3H-imidazo[1,2-a]purin-7-yl]-