2-(2-Propenyl)-4-pentenoic acid 2-Propenyl-4-pentenoic acid 3-02-00-01467 (Beilstein Handbook Reference) 4,4'-Dien-valproic acid 4-Pentenoic acid, 2-(2-propenyl)- (9CI) 4-Pentenoic acid, 2-allyl- 99-67-2 BRN 1702223 Diallyl-acetic acid