has role is conjugate base of EC 2.7.7.7 (DNA-directed DNA polymerase) inhibitor daidzein antineoplastic agent flavonoid oxoanion plant metabolite phytoestrogen daidzein(1-) 253.23010 3-(4-hydroxyphenyl)-4-oxo-4H-chromen-7-olate A flavonoid oxoanion obtained by deprotonation of the 7-hydroxy group of daidzein. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.). C15H9O4 CHEBI:77764 InChI=1S/C15H10O4/c16-10-3-1-9(2-4-10)13-8-19-14-7-11(17)5-6-12(14)15(13)18/h1-8,16-17H/p-1 MetaCyc:DAIDZEIN Oc1ccc(cc1)-c1coc2cc([O-])ccc2c1=O PMID:21848266 PMID:23267126 PMID:23337939 PMID:23342971 PMID:23439294 PMID:9544566 ZQSIJRDFPHDXIC-UHFFFAOYSA-M chebi_ontology daidzein