1H-isoindole-1,3(2H)-dione, 2-(4-bromo-3-oxobutyl)-4-nitro- 2-(4-bromo-3-oxobutyl)-4-nitro-1H-isoindole-1,3(2H)-dione InChI=1/C12H9BrN2O5/c13-6-7(16)4-5-14-11(17)8-2-1-3-9(15(19)20)10(8)12(14)18/h1-3H,4-6H