SMILES: C1C[C@H]([NH2+][C@@H]1CC(=O)[O-])C(=O)[O-]
Description: The molecule is an alpha-amino-acid anion that is the conjugate base of (2S,5S)-5-carboxymethylproline, obtained by deprotonation of the two carboxy groups and protonation of the endocyclic amino group. It is a conjugate base of a (5S)-5-(carboxymethyl)-L-proline.