4-Methylumbelliferyl2-acetamido-2-deoxy-6-O-sulfo-b-D-glucopyranosidepotassiumsalt;7-[[2-(Acetylamino)-2-deoxy-6-O-sulfo--D-glucopyranosyl]oxy]-4-methyl-2H-1-benzopyran-2-one Monopotassium Salt
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