2,4-Imidazolidinedione, 5,5-diphenyl-3-(3-(4-hydroxy-4-phenyl-1-piperidinyl)propyl)-, monohydrochloride 5,5-Diphenyl-3-(3-(4-hydroxy-4-phenyl-1-piperidyl)propyl)hydantoin hydrochloride 56079-69-7 TR 2916