1-(diphenylphosphinoyl)imidazole

N-((diphenylphosphoryl)oxy)-P,P-di-p-tolylphosphinic amide

N-((di-p-tolylphosphoryl)oxy)-P,P-diphenylphosphinic amide

(3-CH3-C6H4)BCl2

N-butyl-O-diphenylphosphinylhydroxylamine