SMILES: C(C[C@@H](C(=O)N[C@@H](CC(=O)N)C(=O)N[C@@H](CCC(=O)N)C(=O)N[C@@H](CCCN=C(N)N)C(=O)O)N)CN=C(N)N
Description: The molecule is a tetrapeptide composed of L-arginine, L-asparagine, L-glutamine, and L-arginine joined in sequence by peptide linkages. It has a role as a metabolite. It derives from a L-arginine, a L-asparagine and a L-glutamine.