SMILES: COC1=CC(=C2C(=C1)OC=C(C2=O)C3=CC=C(C=C3)O)[O-]
Description: The molecule is a flavonoid oxoanion obtained by deprotonation of the 5-hydroxy group of prunetin. It is the major microspecies at pH 7.3 It is a conjugate base of a prunetin.