2-Propenoic acid, 3-(4-hydroxyphenyl)-, methyl ester (9CI) 3943-97-3 4-Coumaric acid methyl ester 4-Hydroxycinnamic acid methyl ester AI3-31901 Cinnamic acid, p-hydroxy-, methyl ester (8CI) EINECS 223-531-1 Methyl 4-hydroxycinnamate Methyl p-coumarate Methyl p-hydroxycinnamate NSC 154578 p-Hydroxycinnamic acid methyl ester