1 4TK N-[(1r)-1-(4-bromophenyl)-2-(hydroxyamino)-2-oxoethyl]-2,2-dimethylpropanamide 1.000 2 4TM N-{(1r)-2-(hydroxyamino)-2-oxo-1-[4-(thiophen-3-yl)phenyl]ethyl}-2,2-dimethylpropanamide 0.750 3 R5V N-{(1r)-2-(hydroxyamino)-2-oxo-1-[4-(1h-pyrazol-1-yl)phenyl]ethyl}-2,2-dimethylpropanamide 0.750 4 4U5 N-{(1r)-2-(hydroxyamino)-1-[4-(1-methyl-1h-pyrazol-4-yl)phenyl]-2-oxoethyl}-2,2-dimethylpropanamide 0.720