The molecule is a flavonoid oxoanion that is a tetraanionic form of quercetin 3,3',7-trissulfate. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.). It is a flavonoid oxoanion and an aryl sulfate oxoanion. It is a conjugate base of a quercetin 3,3',7-trissulfate(3-).
[5-hydroxy-2-(4-oxido-3-sulfonatooxyphenyl)-4-oxo-3-sulfonatooxychromen-7-yl] sulfate