InChI=1/C11H7BrN4O4/c12-6-3-1-5(2-4-6)8(17)16-15-7-9(18)13-11(20)14-10(7)19/h1-4H,(H,16,17)(H2,13,14,18,19,20)/p-1/fC11H6BrN4O4/h13,16H/q-1/b15-7-	6F96DCA4816F4035