21140-85-2 ACRYLIC ACID, 3-(o-METHOXYPHENYL)-2-PHENYL- (E)- Acide alpha phenyl-ortho-methoxycinnamique [French] Cinnamic acid, o-methoxy-alpha-phenyl- (E)- Substance H 20 trans-3-(o-Methoxyphenyl)-2-phenylacrylic acid