SMILES: C1=CC(=C(C=C1C(=O)OC2=CC(=CC(=C2C(=O)O)O)O)O)[O-]
Description: The molecule is a hydroxy monocarboxylic acid anion that is the conjugate base of 2-(3,4-dihydroxybenzoyloxy)-4,6-dihydroxybenzoic acid. It is a conjugate base of a 2-(3,4-dihydroxybenzoyloxy)-4,6-dihydroxybenzoic acid.