1-Methyl-2-acetylimino-5(p-nitrobenzylidene)-4-imidazolidinone 4-25-00-03813 (Beilstein Handbook Reference) 4-IMIDAZOLIDINONE, 2-ACETYLIMINO-1-METHYL-5-(p-NITROBENZYLIDENE)- 73941-43-2 BRN 0315555