英文别名Ethyl 3-Cyclopentene-1-carboxylate; ETHYL 3-CYCLOPENTENECARBOXYLATE; 3-CYCLOPENTENECARBOXYLIC ACID ETHYL ESTER; 3-cyclopentene-1-carhoxylic acid ethyl ester; 3-Cyclopentene-1-carboxylic acid ethyl ester; Ethyl 3-cyclopentenecarboxylic acid; ethyl cyclopentene-4-carboxylate; 3-Cyclopentene-1-carboxylic acid, ethyl ester