SMILES: C[C@@H](C(=O)N[C@@H](C)C(=O)N1CCC[C@H]1C(=O)N2CCC[C@H]2C(=O)O)N
Description: The molecule is a tetrapeptide composed of two L-alanine units joined to two L-proline units by peptide linkages. It has a role as a metabolite. It derives from a L-alanine and a L-proline.