4-(3-hydroxy-1-propen-1-yl)-1,2-benzenediol

ChEBI: Caffeyl alcohol is a phenylpropanoid that is cinnamyl alcohol in which the hydrogens at positions 3 and 4 on the benzene ring are replaced by hydroxy groups. It is a phenylpropanoid and a member of catechols. It is functionally related to a cinnamyl alcohol.