InChI=1/C16H13BrN4O3/c17-12-6-2-1-5-11(12)8-9-18-15-14(21(23)24)16(22)20-10-4-3-7-13(20)19-15/h1-7,10,18H,8-9H2 9A23E98E6A03AB7E