InChI=1/C23H19BrN2O2/c1-4-6-18-12-17(14-21(24)22(18)28-11-5-2)13-19(15-25)23(27)26-20-9-7-16(3)8-10-20/h2,4,7-10,12-14H,1,6,11H2,3H3,(H,26,27)/b19-13-/f/h26H 8007BBE9FCD8E5E6