SMILES: C[N+](C)(C)[C@@H](CCC1=NC=C(N1)C[C@@H](C(=O)[O-])[NH3+])C(=O)[O-]
Description: The molecule is an amino acid zwitterion that is the conjugate base of cationic diphthine, formed via deprotonation of both carboxy groups and protonation of the primary amino group; major species at pH 7.3. It is a conjugate base of a diphthine.