1,3,5-tritert-butyl-2-dichlorophosphorylbenzene

(2,4,6-tritert-butylphenyl)-(2,4,6-tritert-butylphenyl)phosphanylidenephosphane

tris(trimethylsilyl)methyl-[tris(trimethylsilyl)methylphosphanylidene]phosphane

P-2,4,6-tris(tert-butyl)phenyl-P'-tris(trimethylsilyl)methyldiphosphene

(2,4,6-三-叔-丁基苯基)膦