InChI=1S/C21H16BrN5O2/c1-12-7-15(10-24)8-13(2)19(12)29-20-18(22)17(11-28)26-21(27-20)25-16-5-3-14(9-23)4-6-16/h3-8,28H,11H2,1-2H3,(H,25,26,27)