1 41T N-hydroxy-N~2~-{[3-(methoxymethyl)phenyl]sulfonyl}-N~2~-(2-methylpropyl)-D-valinamide 1.000 2 41R N~2~-[(4-fluoro-3-methylphenyl)sulfonyl]-N-hydroxy-N~2~-(2-methylpropyl)-D-valinamide 0.885 3 41S N~2~-[(4-fluoro-3-methoxyphenyl)sulfonyl]-N-hydroxy-N~2~-(2-methylpropyl)-D-valinamide 0.786 4 NGH N-isobutyl-N-[4-methoxyphenylsulfonyl]glycyl hydroxamic acid 0.704