1,3-Benzodioxole-5-propanoic acid 2815-95-4 3,4-Methylenedioxyhydrocinnamic acid 3-(3,4-Methylenedioxyphenyl)propionic acid 5-19-07-00319 (Beilstein Handbook Reference) AI3-19943 BRN 0181735 Benzo-1,3-dioxole-5-propionic acid EINECS 220-565-9 Hydrocinnamic acid, 3,4-(methylenedioxy)- NSC 55524