SMILES: C1=CC2=C(C=C1Cl)NC=C2C[C@H](C(=O)O)N
Description: The molecule is a D-alpha-amino acid that is 6-chlorotryptophan in which the chiral centre has D- (R-) configuration. It is a D-tryptophan derivative, a 6-chlorotryptophan and a D-alpha-amino acid. It is a tautomer of a 6-chloro-D-tryptophan zwitterion.