2-(2-diphenylphosphorylethyl)isoindole-1,3-dione

[phenyl(1-phenylsulfanylethyl)phosphoryl]benzene

N,N-dibutyl-2-diphenylphosphorylacetamide

2-diphenylphosphoryl-N,N-diethylacetamide

1-diphenylphosphoryl-4-methoxybenzene