Synonyms:
2-butenoic acid, 4-oxo-, ethyl ester, (2e)- ; (2e)-4-oxobut-2-enoic acid ethyl ester ; ethyl 3-formylacrylate ; (e)-ethyl 4-oxobut-2-enoate ; (e)-4-oxo-2-butenoicacid ethyl ester ; ethyl (2e)-4-oxobut-2-enoate ; fumaraldehydic acid, ethyl ester(6ci,7ci,8ci) ; ethyl 3-formylacrylate~ethyl fumaraldehydate~trans-4-oxo-2-butenoic acid ethyl ester ; 2-butenoic acid,4-oxo-, ethyl ester, (2e)- ; ethyltrans-4-oxo-2-butenoate ; ethyl (e)-3-formylacrylate ; ethyltrans-4-oxobutenoate ; ethyl 4-oxobut-2-enoate ; ethyl fumaraldehydate ; ethyl trans-4-oxo-2-butenoate ; 2-butenoicacid, 4-oxo-, ethyl ester, (e)- ; (e)-ethyl 4-oxo-2-butenoate