(2S,3S,4R,5R)-3-Azido-5-[6-(5-chloro-2-methoxy-benzylamino)-purin-9-yl]-4-hydroxy-tetrahydro-furan-2-carboxylic acid methylamide

acetic acid 3,5-diacetoxy-4-azido-1-methyl-6-oxopiperidin-2-yl ester

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

(2S,3S,4R,5R)-3-Azido-5-[2-chloro-6-(3-iodo-benzylamino)-purin-9-yl]-4-hydroxy-tetrahydro-furan-2-carboxylic acid methylamide

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