2-Butenoic acid, 4-(octadecylamino)-4-oxo-, (2Z)- 2-Butenoic acid, 4-(octadecylamino)-4-oxo-, (Z)- 3077-27-8 4-(Octadecylamino)-4-oxoisocrotonic acid AI3-09140 EINECS 221-361-2 N-Octadecylmaleamic acid