SMILES: C1[C@@H]([C@H](OC2=C1C=CC(=C2)O)C3=CC(=C(C=C3)O)O)O
Description: The molecule is a tetrahydroxyflavan that is (2S)-flavan substituted by hydroxy groups at positions 3, 7, 3' and 4'. It has a role as an EC 3.2.1.20 (alpha-glucosidase) inhibitor and a plant metabolite. It is a tetrahydroxyflavan and a catechin. It derives from a hydride of a (2S)-flavan.