is conjugate base of quercitrin quercitrin-7-olate 3-[(6-deoxy-alpha-L-mannopyranosyl)oxy]-2-(3,4-dihydroxyphenyl)-5-hydroxy-4-oxo-4H-chromen-7-olate 3-[(alpha-L-rhamnopyranosyl)oxy]-2-(3,4-dihydroxyphenyl)-5-hydroxy-4-oxo-4H-chromen-7-olate 447.36900 C21H19O11 CHEBI:58192 C[C@@H]1O[C@@H](Oc2c(oc3cc([O-])cc(O)c3c2=O)-c2ccc(O)c(O)c2)[C@H](O)[C@H](O)[C@H]1O Conjugate base of quercitrin arising from selective deprotonation of the 7-hydroxy group; major species at pH 7.3. InChI=1S/C21H20O11/c1-7-15(26)17(28)18(29)21(30-7)32-20-16(27)14-12(25)5-9(22)6-13(14)31-19(20)8-2-3-10(23)11(24)4-8/h2-7,15,17-18,21-26,28-29H,1H3/p-1/t7-,15-,17+,18+,21-/m0/s1 MetaCyc:QUERCITRIN OXGUCUVFOIWWQJ-HQBVPOQASA-M chebi_ontology quercitrin quercitrin-7-olate anion quercitrin-7-olate(1-) flavonoid oxoanion