1 4SY Tert-butyl {(1s)-2-(hydroxyamino)-1-[4-(1-methyl-1h-pyrazol-4-yl)phenyl]-2-oxoethyl}carbamate 1.000 2 4SA Tert-butyl [(1s)-1-(biphenyl-4-yl)-2-(hydroxyamino)-2-oxoethyl]carbamate 0.786 3 4S9 Tert-butyl [(1s)-1-(4-bromophenyl)-2-(hydroxyamino)-2-oxoethyl]carbamate 0.731 4 4TY Tert-butyl [(1r)-1-(4-bromophenyl)-2-(hydroxyamino)-2-oxoethyl]carbamate 0.731 5 4SZ Tert-butyl [(1s)-2-(hydroxyamino)-2-oxo-1-(3',4',5'-trifluorobiphenyl-4-yl)ethyl]carbamate 0.710