InChI=1/C13H11BrN4OS/c14-10-3-4-12(19)9(6-10)7-16-18-13(20)17-11-2-1-5-15-8-11/h1-8,19H,(H2,17,18,20)/b16-7+/f/h17-18H 0A1F4EBF38C2EF30