polyphenol secondary alcohol flavan-3,3',4',5,5',7-hexol 306.26750 A hydroxyflavan that is 3,4-dihydro-2H-chromene which is substituted at positions 3, 5, and 7 by hydroxy groups, and at position 2 by a 3,4,5-trihydroxyphenyl group. C15H14O7 CHEBI:71224 InChI=1S/C15H14O7/c16-7-3-9(17)8-5-12(20)15(22-13(8)4-7)6-1-10(18)14(21)11(19)2-6/h1-4,12,15-21H,5H2 OC1Cc2c(O)cc(O)cc2OC1c1cc(O)c(O)c(O)c1 XMOCLSLCDHWDHP-UHFFFAOYSA-N chebi_ontology hydroxyflavan