InChI=1/C12H7Br2N3O5/c13-6-3-8(11(18)9(14)4-6)12(19)16-15-5-7-1-2-10(22-7)17(20)21/h1-5,18H,(H,16,19)/b15-5+/f/h16H	8D7EAB1C1CD1CB8E