InChI=1/C12H9BrN5O/c13-9-3-1-8(2-4-9)11-6-5-10(19-11)7-14-12-15-17-18-16-12/h1-6H,7H2,(H-,14,15,16,17,18)/q-1/f/h14H 9DCE91CD183D56D2