4-oxopentyl(triphenyl)phosphanium,bromide

7-carboxyheptyl(triphenyl)phosphanium,iodide

[(7-Chloro-2-quinolinyl)methyl](triphenyl)phosphonium bromide

1-phenyl-3-(triphenyl-λ⁵-phosphanylidene)propan-2-one

ethenylimino(triphenyl)-λ⁵-phosphane