InChI=1/C11H7BrN2O5/c12-6-2-4(3-7(15)8(6)16)1-5-9(17)13-11(19)14-10(5)18/h1-3,15-16H,(H2,13,14,17,18,19)/p-1/fC11H6BrN2O5/h13H/q-1/b5-1-	041A1D958C60A22E