InChI=1/C18H14BrN5O/c19-13-4-5-17-22-14(11-24(17)10-13)9-21-18(25)23-16-3-1-2-12-8-20-7-6-15(12)16/h1-8,10-11H,9H2,(H2,21,23,25)/f/h21,23H DDE2E337885E0EDA