InChI=1/C12H13BrN4O2S/c13-10-6-11(12(17-14)15-8-10)20(18,19)16-7-9-4-2-1-3-5-9/h1-6,8,16H,7,14H2,(H,15,17)/f/h17H 1D2DD4EA34B1E5EB