The molecule is a flavonoid oxoanion obtained by deprotonation of the 5-hydroxy group of 3',4',5,6-tetrahydroxy-3,7-dimethoxyflavone. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.). It is a conjugate base of a 3',4',5,6-tetrahydroxy-3,7-dimethoxyflavone.
2-(3,4-dihydroxyphenyl)-6-hydroxy-3,7-dimethoxy-4-oxochromen-5-olate