N,N-dimethyl-3-(triphenyl-λ⁵-phosphanylidene)propan-1-amine

triphenyl(pyrazin-2-ylimino)-λ⁵-phosphane

methyl 2-[(triphenyl-λ⁵-phosphanylidene)amino]benzoate

1,3,5-trimethyl-2-(2,4,6-trimethylphenyl)tellanylbenzene

(mesityltellanyl)triphenylphosphonium trifluoromethanesulfonate