InChI=1/C17H10BrN3O2/c18-11-5-3-4-10(8-11)15(22)13(9-19)16-20-14-7-2-1-6-12(14)17(23)21-16/h1-8,20H,(H,21,23)/b16-13+/f/h21H 4409AA2ABA5FD002