InChI=1/C14H11BrN4O/c15-9-3-1-2-8(12(9)20)14-18-10-5-4-7(13(16)17)6-11(10)19-14/h1-6,20H,(H3,16,17)(H,18,19)/f/h20h,18H,16-17H2 8FF942A289677ED6