2-Butenoic acid, 3-((4-chlorophenyl)amino)-, ethyl ester (9CI) 3-(p-Chloroanilino)crotonic acid ethyl ester 3-12-00-01380 (Beilstein Handbook Reference) 41014-75-9 BRN 3293913 CROTONIC ACID, 3-(p-CHLOROANILINO)-, ETHYL ESTER Ethyl 3-(p-chloroanilino)-crotonate NSC 96990