1 J6A (2r)-2-[(cyclohexylacetyl)amino]-N-hydroxy-2-(3',4',5'-trifluoro[1,1'-biphenyl]-4-yl)acetamide 1.000 2 J4P (2r)-2-[(cyclopentylacetyl)amino]-N-hydroxy-2-(3',4',5'-trifluoro[1,1'-biphenyl]-4-yl)acetamide 0.903 3 J4S (2r)-2-[(cyclopropylacetyl)amino]-N-hydroxy-2-(3',4',5'-trifluoro[1,1'-biphenyl]-4-yl)acetamide 0.839 4 4TL N-[(1r)-2-(hydroxyamino)-2-oxo-1-(3',4',5'-trifluorobiphenyl-4-yl)ethyl]-2,2-dimethylpropanamide 0.727