SMILES: C[C@H]1[C@@H]([C@H]([C@H]([C@@H](O1)OC2=CC(=C3C(=C2)OC(=C(C3=O)O[C@H]4[C@@H]([C@@H]([C@H]([C@@H](O4)C)O)O)O)C5=CC(=C(C=C5)[O-])O)O)O)O)O
Description: The molecule is a flavonoid oxoanion resulting from the deprotonation of the hydroxy group at position 5 of the flavonoid moiety of quercetin 3,7-bis-O-alpha-L-rhamnoside. The major species at pH 7.3. It is a conjugate base of a quercetin 3,7-di-O-alpha-L-rhamnoside.