SMILES: C1C[C@H](NC1)C(=O)N[C@@H](CCCN=C(N)N)C(=O)N2CCC[C@H]2C(=O)O
Description: The molecule is a tripeptide composed of L-proline, L-arginine and L-proline joined in sequence by peptide linkages. It derives from a L-proline and a L-arginine.