1 10B N-2-(biphenyl-4-ylsulfonyl)-N-2-(isopropyloxy)-acetohydroxamic acid 1.000 2 N73 (2~{R})-3-methyl-~{N}-oxidanylidene-2-[(4-phenylphenyl)sulfonyl-propan-2-yloxy-amino]butanamide 0.893 3 HS4 N-oxidanyl-2-[(4-phenylphenyl)sulfonylamino]ethanamide 0.840 4 JT5 N~2~-(biphenyl-4-ylsulfonyl)-N-hydroxy-N~2~-(2-hydroxyethyl)glycinamide 0.750