Synonyms: 2-Propenoic acid, 3-[4-(acetyloxy)-3-methoxyphenyl]-, (2E)-, 2-Propenoic acid, 3-[4-(acetyloxy)-3-methoxyphenyl]-, (E)-; (2E)-3-[4-(Acetyloxy)-3-methoxyphenyl]-2-propenoic acid; 1-O-Acetylferulic acid; 4-Acetoxy-3-methoxy-trans-cinnamic acid; 4'-Acetoxy-3'-methoxycinnamic acid; trans-4-Acetoxy-3-methoxycinnamic acidDouble bond geometry as shown.