1,1'-(delta,delta'-Nitriloditetramethylene)bis(gamma-butyl-gamma-(1-naphthyl)piperidine) 33310-62-2 BRN 1675382 NSC 171416 Piperidine, 1,1'-(delta,delta'-nitriloditetramethylene)bis(gamma-butyl-gamma-(1-naphthyl)- Piperidine, 1-(3-(1-naphthyl)-3-(N-(2-(1-naphthyl)-2-(2-piperidinoethyl)hexyl)formimidoyl)heptyl)- (8CI)