1078-61-1 2,3-DIHYDROXY-B-PHENYLPROPRIONIC ACID 3,4-Dihydroxybenzenepropanoic acid 3,4-Dihydroxyhydrocinnamic acid 3,4-Dihydroxyphenylpropionic acid 3-(3,4-Dihydroxyphenyl)propionic acid 3-10-00-01517 (Beilstein Handbook Reference) BRN 2213449 Benzenepropanoic acid, 3,4-dihydroxy- (9CI) Dihydrocaffeic acid EINECS 214-083-8 Hydrocaffeic acid Hydrocinnamic acid, 3,4-dihydroxy- NSC 407275 NSC 624007