InChI=1/C12H8BrN4O2S/c13-10-5-6-11(9-4-2-1-3-8(9)10)20(18,19)17-12-14-7-15-16-12/h1-7H,(H-,14,15,16,17)/q-1/f/h14H B6188B5F7AA2FBEC