7-Hydroxy-3,4-dimethyl-chromen-2-one;3,4-Dimethyl-7-hydroxycoumarin;7-hydroxy-3,4-dimethyl-2H-chromen-2-one;3,4-dimethyl-7-hydroxy-2H-1-benzopyran-2-one;7-hydroxy-3,4-dimethyl-coumarin;
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