SMILES: C1=CC=C2C(=C1)C(=CN2)C[C@@H](C(=O)N[C@@H](CC(=O)O)C(=O)N[C@@H](CO)C(=O)O)NC(=O)[C@H](CC(=O)N)N
Description: The molecule is a tetrapeptide composed of L-asparagine, L-tryptophan, L-aspartic acid and L-serine joined in sequence by peptide linkages. It has a role as a metabolite. It derives from a L-asparagine, a L-tryptophan, a L-aspartic acid and a L-serine.