InChI=1/C21H18BrN3O3/c1-24(2)16-10-6-14(7-11-16)4-3-5-18-19(26)23-21(28)25(20(18)27)17-12-8-15(22)9-13-17/h3-13H,1-2H3,(H,23,26,28)/p-1/b4-3+,18-5-/fC21H17BrN3O3/q-1 B0F9D14E446B2661