SMILES: C1C=C[C@H]([C@H](C1=O)[NH3+])C(=O)[O-]
Description: The molecule is an amino acid zwitterion, obtained by transfer of a proton from the carboxylic acid group to the amino group of (1R,6R)-6-amino-5-oxocyclohex-2-ene-1-carboxylic acid. It is an enantiomer of a (1S,6S)-6-ammonio-5-oxocyclohex-2-ene-1-carboxylate. It is a tautomer of a (1R,6R)-6-amino-5-oxocyclohex-2-ene-1-carboxylic acid.