Triphenyl(2,2,2-trifluoroethyl)phosphanium trifluoromethanesulfonate

(2-oxo-1,2-diphenylethyl)-triphenylphosphanium,bromide

溴化(3-丁烯-1-YL)三苯基磷

1-naphthalen-2-yl-2-(triphenyl-λ⁵-phosphanylidene)ethanone

ethyl 3-oxo-2-(triphenylphosphoranylidene)butanoate