The molecule is a catechin that is flavan carrying five hydroxy substituents at positions 3, 3', 4', 5 and 7 (the 2S,3S-stereoisomer). It has a role as a cyclooxygenase 1 inhibitor and a plant metabolite. It is a catechin and a polyphenol. It is an enantiomer of a (-)-epicatechin.
(2S,3S)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-2H-chromene-3,5,7-triol