SMILES: C1=CC=C(C(=C1)C(=O)C[C@H](C(=O)[O-])[NH3+])NC=O
Description: The molecule is zwitterionic form of N-formyl-D-kynurenine having an anionic carboxy group and a protonated amino group; major species at pH 7.3. It is a tautomer of a N-formyl-D-kynurenine.