InChI=1/C22H17Br2N3O2/c23-18-9-11-20(12-10-18)27(22(29)17-6-2-1-3-7-17)15-21(28)26-25-14-16-5-4-8-19(24)13-16/h1-14H,15H2,(H,26,28)/b25-14+/f/h26H 14B1C4C0E45E32E4