InChI=1/C13H10BrN3O6/c1-23-9-5-6(4-7(14)11(9)18)2-3-8-10(17(21)22)12(19)16-13(20)15-8/h2-5,18H,1H3,(H2,15,16,19,20)/p-1/b3-2+/fC13H9BrN3O6/h16H/q-1 A937A5265A4AEBAD