tert-butyldimethylsilyl 6-O-acetyl-2-azido-3-O-benzyl-2-deoxy-4-O-levulinoyl-β-D-glucopyranoside

6-O-acetyl-2-azido-3-O-benzyl-2-deoxy-4-O-levulinoyl-α-D-glucopyranosyl trichloroacetimidate

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

6-O-acetyl-2-azido-3-O-benzyl-2-deoxy-4-O-levulinoyl-α-D-glucopyranosyl-(1->4)-methyl 1,2-di-O-acetyl-3-O-benzyl-α/β-L-idopyranosyluronate