InChI=1/C16H12BrN3O2/c1-21-9-3-2-8-6-11-14(10(8)7-9)19-16(18)20-15(11)12-4-5-13(17)22-12/h2-5,7H,6H2,1H3,(H2,18,19,20)/f/h18H2 3A305BF5C3419E0D