InChI=1/C15H11BrN4O2S/c16-9-3-1-2-8(6-9)13(21)20-15(23)17-10-4-5-11-12(7-10)19-14(22)18-11/h1-7H,(H2,18,19,22)(H2,17,20,21,23)/f/h17-20H 90F8240047756E26