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CAS号: 155852-44-1 英文名称: 2-Pentenoic acid, 3-methyl-4-oxo-, methyl ester (9CI) 英文同义词: (E)-methyl 3-methyl-4-oxopent-2-enoate;2-Pentenoic acid, 3-methyl-4-oxo-, methyl ester;2-Pentenoic acid, 3-methyl-4-oxo-, methyl ester (9CI) 中文名称: 中文同义词: 分子式: C7H10O3 分子量: 142.15