Jacoumaric acid

3β-[[(E)-3-(4-Hydroxyphenyl)propenoyl]oxy]-2α-hydroxyurs-12-ene-28-oic acid

2α-Hydroxy-3β-[[(E)-3-(4-hydroxyphenyl)-1-oxo-2-propenyl]oxy]urs-12-en-28-oic acid