Synonyms: 2-Propenoic acid, 3-(4-hydroxy-3,5-dimethoxyphenyl)-, methyl ester, (2E)-, 2-Propenoic acid, 3-(4-hydroxy-3,5-dimethoxyphenyl)-, methyl ester, (E)-; (E)-Methyl 3-(4-hydroxy-3,5-dimethoxyphenyl)acrylate;Methyl (E)-sinapate; Methyl trans-sinapate; trans-Sinapic acid methyl esterDouble bond geometry as shown.