InChI=1/C15H9BrN4O4/c16-9-2-3-11-10(6-9)14(15(22)18-11)19-17-7-8-1-4-13(21)12(5-8)20(23)24/h1-7,17H,(H,18,19,22)/p+1/b8-7+/fC15H10BrN4O4/h18-19H/q+1 BB141DCECC39B9AF