InChI=1/C23H17BrN4O5/c1-13-11-15(14(2)26(13)17-7-9-19(10-8-17)28(32)33)12-20-21(29)25-23(31)27(22(20)30)18-5-3-16(24)4-6-18/h3-12H,1-2H3,(H,25,29,31)/p-1/b20-12-/fC23H16BrN4O5/q-1 92B62E21E9DF4551