6-O-acetyl-2-azido-3-O-benzyl-4-O-tert-butyldimethylsilyl-2-deoxy-α-D-glucopyranosyl-(1->4)-methyl 3-O-benzyl-1,2-O-isopropylidene-β-L-idopyranosyluronate

methyl 3-O-benzyl-4-O-tert-butyldimethylsilyl-1,2-O-isopropylidene-β-L-idopyranosyluronate