InChI=1S/C26H23BrN8O2/c1-34-22(37)26(35(2)24(34)29)19(16-11-30-17-6-4-3-5-13(16)17)25(21(36)32-23(28)33-25)10-15-14-8-7-12(27)9-18(14)31-20(15)26/h3-9,11,19,29-31H,10H2,1-2H3,(H3,28,32,33,36)/b29-24+/t19-,25-,26+/m1/s1