(2R,3S,4R)-1-acetyl-3,4-dibenzyloxy-2-((1R,2E)-1-benzyloxy-3-ethoxycarbonyl-2-propenyl)pyrrolidine

[(4S,5S)-5-[(S)-[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]-methylsulfonyloxymethyl]-2,2-dimethyl-1,3-dioxolan-4-yl]methyl methanesulfonate

4,5-anhydro-1-azido-1-deoxy-2,3-O-isopropylidene-D-talitol

1-azido-1-deoxy-2,3-O-isopropylidene-4-O-methanesulphonyl-D-mannitol

3-[(2R,3S)-3-((4R,5R)-5-Azidomethyl-2,2-dimethyl-[1,3]dioxolan-4-yl)-oxiranyl]-propionic acid tert-butyl ester