ethyl 4-chlorobutyrate, Cl(CH2)3CO2Et, 4-chloro-butyric acid ethyl ester, Butanoic acid, 4-chloro-, ethyl ester, Ethyl 4-chlorobutanoate, 4-Chlorobutyric Acid Ethyl Ester, Butyric acid,4-chloro-,ethyl ester, 4-chlorobutanoic acid ethyl ester, Ethyl |A-Chlorobutyrate, Butanoic acid,4-chloro-,ethyl ester, 4-chloro-3-oxobutyric acid ethyl ester