InChI=1/C21H15BrN2O2/c1-26-20-11-10-14-6-2-3-7-16(14)17(20)12-15(13-23)21(25)24-19-9-5-4-8-18(19)22/h2-12H,1H3,(H,24,25)/b15-12-/f/h25H/b15-12-,24-21? A6885B8BF7745994