InChI=1S/C19H16BrN3O/c1-14(15-7-3-2-4-8-15)22-19(24)16(13-21)9-5-10-17-11-6-12-18(20)23-17/h2-12,14H,1H3,(H,22,24)/b10-5+,16-9+/t14-/m0/s1