SMILES: C1=CC(=C(C2=C1C(=CN2)C[C@@H](C(=O)[O-])[NH3+])Cl)Cl
Description: The molecule is an L-alpha-amino acid zwitterion resulting from the transfer of a proton from the carboxy group to the alpha-amino group of 6,7-dichloro-L-tryptophan; major species at pH 7.3. It is a tautomer of a 6,7-dichloro-L-tryptophan.