is conjugate base of luteolin 7-O-beta-D-glucoside flavonoid oxoanion luteolin 7-O-beta-D-glucoside(1-) 2-(3,4-dihydroxyphenyl)-7-(beta-D-glucopyranosyloxy)-4-oxo-4H-chromen-5-olate 447.36950 A flavonoid oxoanion obtained by deprotonation of the 5-hydroxy group of luteolin 7-O-beta-D-glucoside. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.). C21H19O11 CHEBI:77791 InChI=1S/C21H20O11/c22-7-16-18(27)19(28)20(29)21(32-16)30-9-4-12(25)17-13(26)6-14(31-15(17)5-9)8-1-2-10(23)11(24)3-8/h1-6,16,18-25,27-29H,7H2/p-1/t16-,18-,19+,20-,21-/m1/s1 OC[C@H]1O[C@@H](Oc2cc([O-])c3c(c2)oc(cc3=O)-c2ccc(O)c(O)c2)[C@H](O)[C@@H](O)[C@@H]1O PEFNSGRTCBGNAN-QNDFHXLGSA-M chebi_ontology luteolin 7-O-beta-D-glucoside