InChI=1/C11H8BrN5O/c12-6-1-3-7(4-2-6)15-11-16-9-8(10(18)17-11)13-5-14-9/h1-5H,(H3,13,14,15,16,17,18)/f/h13,15,17H E4DF2200626EE38E