(E)-(+-)-4-(4-(4-(trifluoromethyl)phenoxy)phenoxy)-2-pentenoic acid 2-Pentenoic acid, 4-(4-(4-(trifluoromethyl)phenoxy)phenoxy)-, (E)- 2-Pentenoic acid, 4-(4-(4-(trifluoromethyl)phenoxy)phenoxy)-, (E)-(+-)- (9CI) 81416-44-6 Difenopenten [ANSI:ISO] Difenopenten [ANSI]