2-Propenoic acid, 3-(4-hydroxyphenyl)-, methyl ester 3943-97-3 4-Hydroxycinnamic acid methyl ester Cinnamic acid, p-hydroxy-, methyl ester Methyl 4-hydroxycinnamate Methyl p-coumarate Methyl p-hydroxycinnamate NSC154578 p-Hydroxycinnamic acid methyl ester