1-Benzyl-4-formyl-4-phenylpiperidine 1-Benzyl-4-phenyl-4-piperidinecarboxaldehyde 1-Benzyl-4-phenylpiperidine-4-carbaldehyde 26979-21-5 4-Piperidinecarboxaldehyde, 1-benzyl-4-phenyl- 5-21-08-00148 (Beilstein Handbook Reference) BRN 1480910 EINECS 248-151-3 Isonipecotaldehyde, 1-benzyl-4-phenyl- (8CI) NSC 87968