1-((4-Phenylpiperidin-4-yl)carbonyl)piperidine monohydrochloride 1-(4-Phenyl-4-piperidylcarbonyl)piperidine, hydrochloride 83863-47-2 EINECS 281-110-8 KETONE, 4-PHENYL-4-PIPERIDYL PIPERIDINO, HYDROCHLORIDE