1-(1,1-Diphenyl-3-morpholinopropyl)diphenylphosphine oxide hydrochloride 51713-29-2 Phosphine oxide, diphenyl((1,1-diphenyl-3-morpholino)propyl)-, hydrochloride Phosphine oxide, diphenyl((alpha-phenyl-alpha-((2-morpholino)ethyl))benzyl)-, hydrochloride