Synonyms: Piperidine,1,1'-benzylidenedi- (6CI,7CI,8CI); 1,1'-(Phenylmethylene)bis[piperidine];1,1'-Benzylidenediperidine; 1,1'-Benzylidenedipiperidine;1,1'-Bis(piperidinyl)phenylmethane; Dipiperidylbenzaminal; NSC 25557;[Di(piperidin-1-yl)methyl]benzene