is conjugate base of luteolin 2-(3,4-dihydroxyphenyl)-5-hydroxy-4-oxo-4H-chromen-7-olate luteolin-7-olate(1-) 2-(3,4-dihydroxyphenyl)-5-hydroxy-4-oxo-4H-chromen-7-olate 285.22840 A flavonoid oxoanion that is the conjugate base of luteolin, arising from selective deprotonation of the 7-hydroxy group. C15H9O6 CHEBI:57545 IQPNAANSBPBGFQ-UHFFFAOYSA-M InChI=1S/C15H10O6/c16-8-4-11(19)15-12(20)6-13(21-14(15)5-8)7-1-2-9(17)10(18)3-7/h1-6,16-19H/p-1 MetaCyc:5734-TETRAHYDROXYFLAVONE Oc1ccc(cc1O)-c1cc(=O)c2c(O)cc([O-])cc2o1 chebi_ontology luteolin luteolin-7-olate anion flavonoid oxoanion