134268-92-1 1H-2-Benzopyran-1-one, 7-((2-(acetylamino)-2-deoxy-6-O-sulfo-beta-D-glucopyranosyl)oxy)-4-methyl-, monopotassium salt 4-Methylumbelliferyl-2-deoxy-2-acetamido-6-O-sulfoglucosamine 4-Mudasg 7-((2-(Acetylamino)-2-deoxy-6-O-sulfo-beta-D-glucopyranosyl)oxy)-4-methyl-1H-2-benzopyran-1-one monopotassium salt MU-Nags Methylumbelliferyl-N-acetyl-beta-glucosaminide-6-sulfate