1 3Y1 2-amino-4-bromo-N-{1-[(cyanomethyl)carbamoyl]cyclohexyl}benzamide 1.000 2 3Y2 2-amino-4-chloro-N-(1-{[(2e)-2-iminoethyl]carbamoyl}cyclohexyl)benzamide 0.917 3 3XT 4-amino-3-fluoro-N-(1-{[(2z)-2-iminoethyl]carbamoyl}cyclohexyl)benzamide 0.840 4 I37 4-amino-N-{1-[(cyanomethyl)carbamoyl]cyclohexyl}-3-fluorobenzamide 0.840