null

SMILES: CC(=O)N[C@@H](Cc1ccccc1)C(=O)N[C@@H](Cc1c[nH]c2ccccc12)C(=O)N[C@@H](Cc1ccccc1)C(=O)N1CCC[C@@H]1C(N)=O

InChI Key: InChIKey=FCKYLHYBJRMIPQ-RTNMLALUSA-N