The molecule is a flavonoid oxoanion obtained by deprotonation of the 7-hydroxy group of gossypetin. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.). It is a conjugate base of a gossypetin.
2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-4-oxochromen-8-olate