1 2LQ 4-{[(1r,4e)-cyclooct-4-en-1-ylcarbonyl]amino}-L-phenylalanine 1.000 2 M84 3-{4-[(phenylcarbonyl)amino]phenyl}propanoic acid 0.792 3 U3X 4-[(cyclohexylmethyl)amino]-L-phenylalanine 0.792