3-methylbut-2-enyl-[3-[3-methylbut-2-enyl(diphenyl)phosphaniumyl]propyl]-diphenylphosphanium

3-methylbut-2-enyl-[4-[3-methylbut-2-enyl(diphenyl)phosphaniumyl]butyl]-diphenylphosphanium,chloride

1-[3-(4,4-dimethyl-1-phenyl-2,3-dihydrophosphinolin-1-ium-1-yl)propyl]-4,4-dimethyl-1-phenyl-2,3-dihydrophosphinolin-1-ium,hexafluorophosphate

1-[4-(4,4-dimethyl-1-phenyl-2,3-dihydrophosphinolin-1-ium-1-yl)butyl]-4,4-dimethyl-1-phenyl-2,3-dihydrophosphinolin-1-ium,hexafluorophosphate

3-diphenylphosphanylpropyl-methyl-phenylphosphane