InChI=1/C14H9BrN4O2/c1-2-7-19-13(20)10-12(18-14(19)21)17-11(16-10)8-3-5-9(15)6-4-8/h1,3-6H,7H2,(H,16,17)(H,18,21)/p-1/fC14H8BrN4O2/h17H/q-1 E32790013B41625F