InChI=1/C16H13BrN2O/c17-12-6-8-16(18-9-12)19-10-14-13-4-2-1-3-11(13)5-7-15(14)20/h1-9,20H,10H2,(H,18,19)/f/h19H 42081B7A6F1A9E40