The molecule is a cinnamate ester obtained by formal condensation of the carboxy group of trans-ferulic acid with one of the hydroxy groups of D-tartaric acid. It derives from a ferulic acid and a D-tartaric acid. It is an enantiomer of a (2R,3R)-trans-fertaric acid.
(2S,3S)-2-hydroxy-3-[(E)-3-(4-hydroxy-3-methoxyphenyl)prop-2-enoyl]oxybutanedioic acid