InChI=1/C21H19BrN4O4/c22-14-8-17-18(26-21(29)25-17)9-16(14)24-19(27)11-30-20(28)7-3-4-12-10-23-15-6-2-1-5-13(12)15/h1-2,5-6,8-10,23H,3-4,7,11H2,(H,24,27)(H2,25,26,29)/f/h24-26H A1CD0B004ED48434