SMILES: C1=CC(=C(C=C1/C=C/C(=O)OC[C@@H]2[C@H]([C@@H]([C@H]([C@@H](O2)O[C@@H]3[C@H]([C@@H]([C@H](O[C@H]3OC4=C(OC5=CC(=CC(=C5C4=O)[O-])O)C6=CC(=C(C=C6)[O-])O)CO)O)O)O)O)O)O)O
Description: The molecule is a flavonoid oxoanion resulting from the deprotonation of the hydroxy groups at positions 5 and 7 of the flavonoid moiety of quercetin 3-O-[(6-O-caffeoyl-beta-D-glucosyl)-(1->2)-beta-D-glucoside]. Identified in Fig. S20, peak 1 It is a conjugate base of a quercetin 3-O-[(6-O-caffeoyl-beta-D-glucosyl)-(1->2)-beta-D-glucoside].