diethyl 2-(triphenyl-λ⁵-phosphanylidene)propanedioate

9H-芴-9-酮(三苯基膦)腙

4-diphenylphosphanylbutan-1-ol

2-methoxymethyl-2-methyl-1,3-bis(diphenylphosphino)propane

10-carboxydecyl(triphenyl)phosphanium,bromide