2486-93-3 5-20-01-00107 (Beilstein Handbook Reference) AI3-61354 BRN 0150832 Bis(1-aziridinyl)phosphinic acid butyl ester Butoxybis(1-aziridinyl)phosphine oxide Butyl bis(1-aziridinyl) phosphinate Diethylenimido butylphosphate ENT-61354 NSC 43502 Phosphinic acid, bis(1-aziridinyl)-, butyl ester