SMILES: C1=CC(=C(C(=C1)[O-])C(=O)O)O
Description: The molecule is a dihydroxybenzoate that is the conjugate base of 2,6-dihydroxybenzoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a 2,6-dihydroxybenzoic acid.