SMILES: C1=CC(=C(C=C1O)C(=O)O)C(=O)O
Description: The molecule is a benzenedicarboxylic acid that is phthalic acid in which the hydrogen at position 4 is substituted by a hydroxy group. It is a benzenedicarboxylic acid and a member of phenols. It derives from a phthalic acid.