InChI=1/C20H17BrN4O/c1-3-15-18(25-11-12(2)10-14(21)19(25)23-15)20(26)24-16-8-4-6-13-7-5-9-22-17(13)16/h4-11H,3H2,1-2H3,(H,24,26)/f/h24H D8894D284C2EB16F