The molecule is a flavonoid oxoanion that is the conjugate base of 4',5,7-trihydroxy-3'-methoxyflavone arising from selective deprotonation of the 7-hydroxy group; major species at pH 7.3. It is a conjugate base of a 4',5,7-trihydroxy-3'-methoxyflavone.
4-(5,7-dihydroxy-4-oxochromen-2-yl)-2-methoxyphenolate