1 JFM N-(2-phenylethyl)methanesulfonamide 1.000 2 S9S ~{N}-[2-(4-fluorophenyl)ethyl]methanesulfonamide 0.929 3 A1ECK (2s)-3-(4-fluorophenyl)-2-(methylsulfonylamino)propanoic acid 0.765 4 A1ECL (2s)-3-[3,5-bis(fluoranyl)phenyl]-2-(methylsulfonylamino)propanoic acid 0.722 5 CXA Phenylalanine-N-sulfonamide 0.706