1 R5T Tert-butyl {(1s)-2-(hydroxyamino)-2-oxo-1-[4-(1h-pyrazol-1-yl)phenyl]ethyl}carbamate 1.000 2 4S9 Tert-butyl [(1s)-1-(4-bromophenyl)-2-(hydroxyamino)-2-oxoethyl]carbamate 0.760 3 4TY Tert-butyl [(1r)-1-(4-bromophenyl)-2-(hydroxyamino)-2-oxoethyl]carbamate 0.760 4 TCO Tert-butyl(1s)-1-cyclohexyl-2-oxoethylcarbamate 0.708