2-Propenoic acid, 3,3-diphenyl- (9CI) 3,3-Diphenyl-2-propenoic acid 3,3-Diphenylacrylic acid 4-09-00-02616 (Beilstein Handbook Reference) 606-84-8 ACRYLIC ACID, 3,3-DIPHENYL- Acido difenililacrilico [Italian] BRN 2049179 M.G. 1779 NSC 120400 NSC 16293 beta-Phenylcinnamic acid