2-Butenoic acid, 3-(phenylamino)-, ethyl ester 6287-35-0 Crotonic acid, 3-anilino-, ethyl ester Ethyl .beta.-anilinocrotonate Ethyl 3-(phenylamino)-2-butenoate Ethyl 3-(phenylamino)crotonate Ethyl 3-anilinocrotonate NSC8741