InChI=1/C22H19BrN4O/c1-14-12-16(23)13-27-20(15(2)24-21(14)27)22(28)26-19-10-8-18(9-11-19)25-17-6-4-3-5-7-17/h3-13,25H,1-2H3,(H,26,28)/f/h26H D3A72D731B7C750E