InChI=1S/C20H14BrN5O/c1-12-6-14(11-22)8-15(7-12)27-19-3-2-13(9-17(19)21)10-18-16-4-5-23-25-20(16)26-24-18/h2-9H,10H2,1H3,(H,24,25,26)