InChI=1/C23H23BrN4O4/c24-19-10-4-5-11-20(19)27-21(29)13-25-22(30)15-28(14-18-9-6-12-32-18)16-23(31)26-17-7-2-1-3-8-17/h1-12H,13-16H2,(H,25,30)(H,26,31)(H,27,29)/p+1/fC23H24BrN4O4/h25-28H/q+1 9966CAEB932955F2