[(3S,4R,5S,6S)-5-acetamido-3,4-dihydroxy-6-[(4-methyl-2-oxo-2H-chromen-7-yl)oxy]oxan-2-yl]methyl potassium sulfate

7-[[2-(acetylamino)-2-deoxy-6-o-sulfo-beta-d-glucopyranosyl]oxy]-4-methyl-2h-1-benzopyran-2-one monopotassium salt ; 7-[[2-(acetylamino)-2-deoxy-6-o-sulfo-β-d-glucopyranosyl]oxy]-4-methyl-2h-1-benzopyran-2-one ; 4-methylumbelliferyl 2-acetamido-2-deoxy-6-o-sulfo-β-d-glucopyranoside ; 4-methylumbelliferyl 2-acetamido-2-deoxy-b-d-glucopyranoside-6-sulfate potassium salt ; 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 ; 4-methylumbelliferyl 2-acetamido-2-deoxy-6-o-sulfo-β-d-glucopyranoside potassium salt