InChI=1/C12H15BrN4O2/c1-14-4-2-3-11(18)15-8-6-10-9(5-7(8)13)16-12(19)17-10/h5-6,14H,2-4H2,1H3,(H,15,18)(H2,16,17,19)/p+1/fC12H16BrN4O2/h14-17H/q+1 8F4AE9C5A41E113A