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CAS号: 70007-83-9 英文名称: ethyl 4-methyl-2-oxo-2H-pyran-6-acetate 英文同义词: ethyl 4-methyl-2-oxo-2H-pyran-6-acetate;4-Methyl-2-oxo-2H-pyran-6-acetic acid ethyl ester;2H-Pyran-6-acetic acid, 4-methyl-2-oxo-, ethyl ester 中文名称: 中文同义词: 分子式: C10H12O4 分子量: 196.2