(1R,4S,5S,7R,8R)-4-Acetylamino-8-benzyloxy-7-methoxy-6-oxa-2-aza-bicyclo[3.2.1]octane-2-carboxylic acid tert-butyl ester

benzyl (1R,4R,5S,7R,8R)-4-acetamido-8-(benzyloxy)-7-methoxy-6-oxa-2-azabicyclo[3.2.1]octane-2-carboxylate

3,6-di-O-acetyl-2-azido-1-N,4-O-dibenzyl-1,2,5-trideoxy-1,5-imino-D-glucitol

methyl 3,4-di-O-acetyl-2-acetamido-2,6-dideoxy-β-D-xylo-hex-5-enopyranoside