1-Phenethyl-3-(piperidinocarbonyl)piperidine 1-Phenethyl-3-piperidyl piperidino ketone 40576-25-8 5-22-01-00240 (Beilstein Handbook Reference) BRN 0415417 Ketone, 1-phenethyl-3-piperidyl piperidino Piperidine, 1-((1-(2-phenylethyl)-3-piperidinyl)carbonyl)-