33310-58-6 NSC 171429 Pyrrolidine, 1,1'-(3-(1-naphthyl)-3-(N-(2-(1-naphthyl)-2-(2-(1-pyrrolidinyl)ethyl)-4-(1-pyrrolidinyl)butyl)formimidoyl)pentamethylene)di- (8CI) Pyrrolidine, 1,1'-(delta,delta'-nitriloditetramethylene)bis(gamma-(1-naphthyl)-gamma-(2-(1-pyrrolidinyl)ethyl)-