1-[2,6-Bis(cyclopentylamino)-9H-purin-9-yl]-1-deoxy-N-ethyl-β-D-ribofuranuronamide

1-[2-(Cyclopentylamino)-6-[[(3-iodophenyl)methyl]amino]-9H-purin-9-yl]-1-deoxy-β-D-ribofuranuronamide

1-Deoxy-1-[6-[[(3-iodophenyl)methyl]amino]-2-[(2-phenylethyl)amino]-9H-purin-9-yl]-β-D-ribofuranuronamide

1-[6-(Cyclopentylamino)-2-[(2-phenylethyl)amino]-9H-purin-9-yl]-1-deoxy-β-D-ribofuranuronamide

1-[2,6-Bis(cyclopentylamino)-9H-purin-9-yl]-1-deoxy-β-D-ribofuranuronamide

1-[2-(Cyclopentylamino)-6-[[(3-iodophenyl)methyl]amino]-9H-purin-9-yl]-1-deoxy-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamide

1-Deoxy-1-[6-[[(3-iodophenyl)methyl]amino]-2-[(2-phenylethyl)amino]-9H-purin-9-yl]-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamide

1-[6-(Cyclopentylamino)-2-[(2-phenylethyl)amino]-9H-purin-9-yl]-1-deoxy-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamide

1-[2,6-Bis(cyclopentylamino)-9H-purin-9-yl]-1-deoxy-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamide

1-[6-(Cyclopentylamino)-2-nitro-9H-purin-9-yl]-1-deoxy-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamide

1-Deoxy-1-[6-[[(3-iodophenyl)methyl]amino]-2-nitro-9H-purin-9-yl]-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamide

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

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

1-Deoxy-1-[6-[(3,3-diphenylpropyl)amino]-9H-purin-9-yl]-β-D-ribofuranuronamide

1-Deoxy-1-[6-[(2-phenylethyl)amino]-9H-purin-9-yl]-β-D-ribofuranuronamide

1-Deoxy-1-[6-[[(3-iodophenyl)methyl]amino]-9H-purin-9-yl]-β-D-ribofuranuronamide

1-[6-(Cyclopentylamino)-9H-purin-9-yl]-1-deoxy-β-D-ribofuranuronamide

1-Deoxy-1-[6-[(3,3-diphenylpropyl)amino]-9H-purin-9-yl]-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamide

1-Deoxy-2,3-O-(1-methylethylidene)-1-[6-[(2-phenylethyl)amino]-9H-purin-9-yl]-β-D-ribofuranuronamide

1-Deoxy-1-[6-[[(3-iodophenyl)methyl]amino]-9H-purin-9-yl]-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamide