(2-Aziridinylethyl)amine 1-(2-Aminoethyl)aziridine 1-(2-Aminoethyl)ethylenimine 1-Aziridineethanamine (9CI) 4025-37-0 AI3-50413 Aziridine, 1-(2-aminoethyl)- (8CI) N-(2-Aminoethyl)aziridine N-(beta-Aminoethyl)ethylenimine NSC 145379