The molecule is trianion of quercetin 3,3',7-trissulfate arising from deprotonation of the three sulfate OH groups. It is a flavonoid oxoanion and an aryl sulfate oxoanion. It is a conjugate base of a quercetin 3,3',7-trissulfate. It is a conjugate acid of a quercetin 3,3',7-trissulfate(4-).
[2-hydroxy-5-(5-hydroxy-4-oxo-3,7-disulfonatooxychromen-2-yl)phenyl] sulfate