((3aR,3bS,6S,7R,7aR,8aR)-7-((tert-butoxycarbonyl)amino)-2,2-dimethylhexahydro-5H-[1,3]dioxolo[4',5':4,5]furo[3,2-b]pyran-6-yl)methyl 4-methylbenzenesulfonate

3-O-allyl-1,2-O-isopropylidene-α-D-glucofuranose