SMILES: C(CC(=O)[O-])[C@@H](C(=O)[O-])NC(=O)C(CC(=O)[O-])(CC(=O)[O-])O
Description: The molecule is a tetracarboxylic acid anion obtained by deprotonation of the four carboxy groups of beta-citrylglutamic acid; major species at pH 7.3. It is a tetracarboxylic acid anion and a N-acyl-L-alpha-amino acid anion.