triphenyl(pyridin-4-ylimino)-λ⁵-phosphane

dibenzyl(diphenyl)phosphanium

Phosphonium, (3-carboxypropyl)triphenyl-, iodide, ethyl ester

4-cyanobutyl(triphenyl)phosphanium,bromide

2-[3-(triphenyl-λ⁵-phosphanylidene)propyl]isoindole-1,3-dione