1H-isoindole-1,3(2H)-dione, 2-[2-(2-nitro-1H-imidazol-1-yl)ethyl]- 2-[2-(2-nitro-1H-imidazol-1-yl)ethyl]-1H-isoindole-1,3(2H)-dione InChI=1/C13H10N4O4/c18-11-9-3-1-2-4-10(9)12(19)16(11)8-7-15-6-5-14-13(15)17(20)21/h1-6H,7-8H