InChI=1/C12H11BrN4O2S2/c13-11-6-3-9(20-11)7-16-8-1-4-10(5-2-8)21(18,19)17-12(14)15/h1-7H,(H4,14,15,17)/f/h14-15H2 EA1CDE8F6F6D8AC1