N-[1-(4-chlorophenyl)-3-hydrazinyl-3-oxoprop-1-en-2-yl]benzamide

N-(2-diethoxyphosphorylethyl)-N-phenylhydroxylamine

N-(2-dihexoxyphosphorylethyl)-N-phenylhydroxylamine

N,N'-dihydroxy-N,N'-diphenyloxamide

1-N,4-N-dihydroxy-1-N,4-N-diphenylbenzene-1,4-dicarboxamide