(Z)-3-(4-Hydroxyphenyl)-2-propenoic acid (Z)-p-Coumaric acid 2-Propenoic acid, 3-(4-hydroxyphenyl)-, (Z)- (9CI) 4501-31-9 CINNAMIC ACID, p-HYDROXY-, (Z)- EINECS 224-813-7 cis-4-Hydroxycinnamic acid cis-p-Coumaric acid cis-p-Coumarinic acid cis-p-Cumaric acid cis-p-Hydroxycinnamic acid