33310-57-5 NSC 171419 Pyrrolidine, 1,1'-(delta,delta'-nitriloditetramethylene)bis(gamma-isobutyl-gamma-(1-naphthyl)- Pyrrolidine, 1-(5-methyl-3-(N-(4-methyl-2-(1-naphthyl)-2-(2-(1-pyrrolidinyl)ethyl)pentyl)formimidoyl)-3-(1-naphthyl)hexyl)- (8CI)