2-Butenoic acid, 4-oxo-4-phenyl- 3-Benzoylacrylic acid 4-Oxo-4-phenyl-2-butenoic acid 4-Phenyl-4-oxo-2-butenoic acid 583-06-2 AI3-26616 Acrylic acid, 3-benzoyl- Acrylic acid, 3-benzoyl- (6CI,7CI,8CI) Benzoylacrylic acid Crotonic acid, 4-oxo-4-phenyl- EINECS 209-496-5 NSC 143