2-Propenoic acid, 3-(3-hydroxy-4-methoxyphenyl)- 3-(3-Hydroxy-4-methoxyphenyl)-2-propenoic acid 3-Hydroxy-4-methoxycinnamic acid 4-10-00-01777 (Beilstein Handbook Reference) 537-73-5 BRN 2212760 Cinnamic acid, 3-hydroxy-4-methoxy- Cinnamic acid, 3-hydroxy-4-methoxy- (8CI) EINECS 208-676-0 Hesperetic acid Isoferulic acid NSC 51987