SMILES: C1(=C(C(=C(C(=C1C(=O)O)C(=O)O)C(=O)O)C(=O)O)C(=O)O)C(=O)O
Description: The molecule is a benzene-derived hexacarboxylic acid in which each carbon of benzene carries a carboxy substituent. It is a conjugate acid of a mellitic acid hexaanion.