ethyl 4,6-dimethyl-3-oxo-1,3-dihydro-2-benzofuran-5-carboxylate
4,6-dimethyl-3-oxo-1H-isobenzofuran-5-carboxylic acid ethyl ester 3-keto-4,6-dimethyl-1H-isobenzofuran-5-carboxylic acid ethyl ester ethyl 4,6-dimethyl-3-oxo-1H-2-benzofuran-5-carboxylate
ethyl 4,6-dimethyl-3-oxo-1H-2-benzofuran-5-carboxylat éthyle4,6-diméthyl-3-oxo-1H-2-benzofuran-5-carboxylate エチル=4,6-ジメチル-3-オキソ-1H-2-ベンゾフラン-5-カルボキシラー
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