BRN 4452185;2H-1-Benzothiopyran-2-acetic acid, 3,4-dihydro-6-methyl-4-oxo-;3,4-Dihydro-6-methyl-4-oxo-2H-1-benzothiopyran-2-acetic acid;AC1MIJ36;LS-41346;2-(6-methyl-4-oxo-2,3-dihydrothiochromen-2-yl)acetic acid;86628-19-5
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