4-METHYLUMBELLIFERYL B-D-CHITOBIOSE PERACETATE 4-Mu-chitobiose Peracetate, [(4-Methylumbelliferyl)-3,6,O,O-diacetyl}-N-acetylglucosamine]-4,1-(3,4,6-O,O,O-triacetyl)-N-acetylglucosamine 4-Methylumbelliferyl -D-Chitobiose Peracetate 4-MethyluMbelliferyl Di-N-Acetyl-β-D-chitobiose Peracetate 7-(β-Cellobiosyloxy)-4-Methyl-couMarin Heptaacetate 4-Methylumbelliferyl-b-D-cellobiose heptaacetate 2H-1-Benzopyran-2-one, 4-methyl-7-[[2,3,6-tri-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl)-β-D-glucopyranosyl]oxy]-