SMILES: CC[C@H](C)[C@@H](C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CC1=CC=C(C=C1)O)C(=O)O)N
Description: The molecule is a tetrapeptide composed of L-isoleucine, L-leucine, L-valine and L-tyrosine joined in sequence by peptide linkages. It has a role as a metabolite. It derives from a L-isoleucine, a L-leucine, a L-valine and a L-tyrosine.