2798-17-6 AI3-50526 Aziridine, 1,1'-(1,4-phenylenedicarbonyl)bis- (9CI) Aziridine, 1,1'-terephthaloylbis- (8CI) NSC 21595 Terephthaloylbis(1-aziridine) Terephthaloylbis(1-ethylenimine)