SMILES: C1[C@@H](CC(=N[C@@H]1C(=O)[O-])C(=O)[O-])O
Description: The molecule is the dicarboxylic acid dianion formed from (2S,4S)-4-hydroxy-2,3,4,5-tetrahydrodipicolinic acid by proton loss from both carboxy groups; major species present at pH 7.3. It is a conjugate base of a (2S,4S)-4-hydroxy-2,3,4,5-tetrahydrodipicolinic acid.