1 9UN 5-[2,4-dihydroxy-6-(4-nitrophenoxy)phenyl]-N-(1-methylpiperidin-4-yl)-1,2-oxazole-3-carboxamide 1.000 2 XKL 5-[2,4-dihydroxy-6-(4-nitrophenoxy)phenyl]-N-ethyl-1,2-oxazole-3-carboxamide 0.743