is conjugate base of organic anion genistein genistein(1-) 269.22900 5-hydroxy-3-(4-hydroxyphenyl)-4-oxo-4H-chromen-7-olate An organic anion that is the conjugate base of genistein, obtained by selective deprotonation of the 7-hydroxy group. C15H9O5 CHEBI:74224 InChI=1S/C15H10O5/c16-9-3-1-8(2-4-9)11-7-20-13-6-10(17)5-12(18)14(13)15(11)19/h1-7,16-18H/p-1 MetaCyc:CPD-3141 Oc1ccc(cc1)-c1coc2cc([O-])cc(O)c2c1=O TZBJGXHYKVUXJN-UHFFFAOYSA-M chebi_ontology genistein