SMILES: C1C[C@H](N(C1)C(=O)[C@H](CC(=O)N)NC(=O)[C@H](CC(=O)N)N)C(=O)N[C@@H](CO)C(=O)O
Description: The molecule is a tetrapeptide composed of two L-asparagine units, L-proline and L-serine joined in sequence by peptide linkages. It has a role as a metabolite. It derives from a L-asparagine, a L-proline and a L-serine.