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