(E,Z)-3-(4-(1,2-Diphenyl-1-butenyl)phenyl)-2-propenoic acid 155701-61-4 2-Propenoic acid, 3-(4-(1,2-diphenyl-1-butenyl)phenyl)-, (E,Z)- 3-(4-(1,2-Diphenylbut-1-enyl)phenyl)acrylic acid Etacstil GW 5638