diphenyl(1-phenylpropan-2-yl)phosphane

4-(triphenyl-λ⁵-phosphanylidene)but-2-enal

gold,triphenyl(2-pyridin-4-ylethynyl)phosphanium

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

5-acetyloxypentyl(triphenyl)phosphanium,bromide