1-(1,1-Diphenyl-3-dimethylaminopropyl)diphenylphosphine oxide hydrochloride 51713-27-0 Phosphine oxide, diphenyl((1,1-diphenyl-3-dimethylamino)propyl)-, hydrochloride Phosphine oxide, diphenyl((alpha-phenyl-alpha-((2-dimethylamino)ethyl))benzyl)-, hydrochloride