SMILES: C(CSC[C@@H](C(=O)[O-])[NH3+])[C@@H](C(=O)[O-])[NH3+]
Description: The molecule is dizwitterionic form of L-cystathionine arising from transfer of two protons from the carboxy to the amino groups; major species at pH 7.3. It is a tautomer of a L-cystathionine.