tert-butyldimethylsilyl (6-O-acetyl-2-azido-3,4-di-O-benzyl-2-deoxy-α-D-glucopyranosyl)-(1->4)-methyl 3-O-benzyl-2-O-levulinoyl-β-D-glucopyranosyluronate

6-O-acetyl-2-azido-3,4-di-O-benzyl-2-deoxy-α-D-glucopyranosyl-(1->4)-methyl 3-O-benzyl-2-O-levulinoyl-α-D-glucopyranosyluronate trichloroacetimidate

tert-butyldimethylsilyl (6-O-acetyl-2-azido-3,4-di-O-benzyl-2-deoxy-α-D-glucopyranosyl)-(1->4)-(methyl 3-O-benzyl-2-O-levulinoyl-β-D-glucopyranosyl)-(1->4)-3,6-di-O-acetyl-2-azido-2-deoxy-β-D-glucopyranoside