2-Butenoic acid, 3-bromo-4-oxo-4-(4-(pentyloxy)phenyl)- 2-Butenoic acid, 3-bromo-4-oxo-4-(4-(pentyloxy)phenyl)-, (E)- 24740-92-9 NSC 172760 Penberol beta-4-n-Pentoxybenzoyl-beta-bromacrylic acid