1,3-Dinitro-2-imidazolidinone 1,3-Dinitro-2-imidazolidone 2-IMIDAZOLIDINONE, 1,3-DINITRO- 2536-18-7 5-24-01-00163 (Beilstein Handbook Reference) BRN 0202106 N,N'-Dinitro-N,N'-ethyleneurea NSC 77356