1H-pyrrole-2-carboxamide, 4,5-dibromo-N-[3-(2,5-dioxo-4-imidazolidinylidene)propyl]- 4,5-dibromo-N-[3-(2,5-dioxoimidazolidin-4-ylidene)propyl]-1H-pyrrole-2-carboxamide InChI=1/C11H10Br2N4O3/c12-5-4-7(15-8(5)13)9(18)14-3-1-2-6-10(19)17-11(20)16-6/h2,4,15H,1,3H2,(H,14,18)(H2,16,17,19,20)/b6-2