Butanoic acid,2,3-dibromo-,ethyl ester, Ethyl 2,3-dibromobutyrate, 2,3-Dibrom-buttersaeure-aethylester, Ethyl 3,3-dibromobutyrate, Butanoic acid, 2,3-dibromo-, ethyl ester, Butyric acid,2,3-dibromo-,ethyl ester, ethyl a,b-dibromobutyrate, 2,3-dibromobutyric acid ethyl ester, 2,3-dibromo-butanoic acid,ethyl ester