2,2,2-trichloroethyl 3,4,5,7-tetra-O-acetyl-2-bromo-2-deoxy-α-D-gluco-hept-2-ulopyranosonate

N-(3,4,5,7-tetra-O-acetyl-2-azido-2-deoxy-β-D-gluco-hept-2-ulopyranosonoyl)glycine methyl ester

pentachlorophenyl 3,4,5,7-tetra-O-acetyl-2-bromo-2-deoxy-α-D-gluco-hept-2-ulopyranosonate