InChI=1/C14H12BrN3O3/c1-7-2-4-9(12(16)19)13(17-7)18-11-5-3-8(14(20)21)6-10(11)15/h2-6H,1H3,(H2,16,19)(H,17,18)(H,20,21)/p-1/fC14H11BrN3O3/h18H,16H2/q-1 B946E5D1588D0E36