.beta.-Piperidinopropiophenone 1-Propanone, 1-phenyl-3-(1-piperidinyl)- 3-Piperidinopropiophenone 73-63-2 N-(.beta.-Benzoylethyl)piperidine NA 65 NSC5755 Piperidine, 1-(2-benzoylethyl)- Propiophenone, 3-piperidino-