SMILES: COC1=CC(=CC(=C1O)C2=C(C(=CC(=C2)C(=O)O)O)O)C(=O)O
Description: The molecule is a dicarboxylic acid that is 5,5',6,6'-tetrahydroxy[biphenyl]-3,3'dicarboxylic acid in which one of the hydroxy groups that is meta to a carboxy group has been converted into the corresponding methyl ether. It is a member of hydroxybiphenyls, a carboxybiphenyl, a member of catechols, an aromatic ether and a dicarboxylic acid. It is a conjugate acid of a 5,6,6'-trihydroxy-5'-methoxy[biphenyl]-3,3'-dicarboxylate.