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CAS号: 664336-22-5 英文名称: 2H-Pyrrol-2-one,5-ethylidene-1,5-dihydro-4-methyl-(9CI) 英文同义词: 2H-Pyrrol-2-one, 5-ethylidene-1,5-dihydro-4-methyl-;2H-Pyrrol-2-one,5-ethylidene-1,5-dihydro-4-methyl-(9CI) 中文名称: 中文同义词: 分子式: C7H9NO 分子量: 123.15