3-amino-5-(6-methylaminopurin-9-yl)-4-t-butyldimethylsiloxy-tetrahydro-furan-2-carboxylic acid methyl amide

(2R,3R,4S,5S)(2-{[9-(4-azido-3-hydroxy-5-methylcarbamoyl-tetrahydrofuran-2-yl)-9H-purin-6-ylamino]-methyl}-4-chlorophenoxy)acetic acid

(2R,3R,4S,5S)(2-{[9-(4-azido-3-hydroxy-5-methylcarbamoyl-tetrahydrofuran-2-yl)-9H-purin-6-ylamino]-methyl}-4-chlorophenoxy)acetic acid tert-butyl ester

(2S,3S,4R,5R) 3-azido-4-hydroxy-5-(6-methylamino-purin-9-yl)-tetrahydro-furan-2-carboxylic acid methylamide

3-ureido-5-(6-methylaminopurin-9-yl)-4-t-butyldimethylsiloxy-tetrahydro-furan-2-carboxylic acid methyl amide