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CAS号: 55503-20-3 英文名称: 7-ethyl-2-methyl-4-oxo-4,7-dihydrothieno(2,3-b)pyridine-5-carboxylic acid 英文同义词: 4,7-Dihydro-7-ethyl-2-methyl-4-oxothieno[2,3-b]pyridine-5-carboxylic acid;7-ethyl-2-methyl-4-oxo-4,7-dihydrothieno(2,3-b)pyridine-5-carboxylic acid;Thieno[2,3-b]pyridine-5-carboxylic acid, 7-ethyl-4,7-dihydro-2-methyl-4-oxo- 中文名称: 中文同义词: 分子式: C11H11NO3S 分子量: 237.27