InChI=1/C11H10Br2N4O/c1-5-9(14)10(17-16-5)11(18)15-8-4-6(12)2-3-7(8)13/h2-4H,14H2,1H3,(H,15,18)(H,16,17)/f/h15-16H D6F2FC6E2A67B20A