methyl (3-oxo-1,3-dihydro-2-benzofuran-4-yl)acetate
methyl 2-(3-oxo-1H-2-benzofuran-4-yl)acetate 2-(3-keto-1H-isobenzofuran-4-yl)acetic acid methyl ester 2-(3-oxo-1H-isobenzofuran-4-yl)-acetic acid methyl ester
methyl 2-(3-oxo-1H-2-benzofuran-4-yl)acetat méthyle2-(3-oxo-1H-2-benzofuran-4-yl)acetate メチル=2-(3-オキソ-1H-2-ベンゾフラン-4-イル)アセトアテ
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