2H-1-Benzopyran-2-one,4-methyl-7-(sulfooxy)-, potassium salt (9CI);Coumarin, 7-hydroxy-4-methyl-,hydrogen sulfate potassium salt (8CI);Potassium(4-methyl-2-oxo-2H-chromen-7-yl)sulfate;Potassium 4-methylumbelliferonesulfate;Potassium 4-methylumbelliferyl sulfate;
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