SMILES: C1=CC(=CC=C1/C=C/2\\C(=C(C(=O)O2)C3=CC=C(C=C3)O)[O-])O
Description: The molecule is an organic anion that is the conjugate base of isoaspulvinone E, arising from selective deprotonation of the butenolide OH group; major species at pH 7.3. It is a conjugate base of an isoaspulvinone E.