ethyl 4-oxo-4,5-dihydrothieno[3,2-c]pyridine-6-carboxylate
4-oxo-5H-thieno[2,3-d]pyridine-6-carboxylic acid ethyl ester 4-keto-5H-thieno[2,3-d]pyridine-6-carboxylic acid ethyl ester ethyl 4-oxo-5H-thieno[2,3-d]pyridine-6-carboxylate
ethyl 4-oxo-5H-thieno[3,2-c]pyridin-6-carboxylat éthyle4-oxo-5H-thieno[3,2-c]pyridine-6-carboxylate エチル=4-オキソ-5H-チエノ[3,2-c]ピリジン-6-カルボキシラート
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