英文别名Methyl 2-cyclopentanonecarboxylate; 2-Methoxycarbonylcyclopentanone; Methyl cyclopentanone-2-carboxylate; Methyl-2-oxycyclopentanecarboxylate; 2-CARBOMETHOXYCYCLOPENTANONE; Cyclopentanecarboxylic acid, 2-oxo-, methyl ester; 2-Oxocyclopentanecarboxylic Acid Methyl Ester; 2-Methoxy carbonyl cyclopentanone; Cyclopentanone-2-carboxylic Acid Methyl Ester; methyl 2-oxocyclopentane-1-carboxylate