Synonyms: 2-Propenoicacid, 3-(3,4-dimethoxyphenyl)-, (E)-;Cinnamic acid, 3,4-dimethoxy-, (E)-(8CI);(2E)-(3,4-Dimethoxyphenyl)-2-propenoic acid;(2E)-3-(3,4-Dimethoxyphenyl)-2-propenoic acid;(E)-3,4-Dimethoxycinnamic acid;3,4-Dimethoxy-trans-cinnamic acid;trans-3,4-Dimethoxycinnamic acid;trans-3-(3,4-Dimethoxyphenyl)-2-propenoic acid;