InChI=1/C13H12BrN3O2S/c1-7-12(8(2)18)20-13(16-7)17-15-6-9-5-10(14)3-4-11(9)19/h3-6,19H,1-2H3,(H,16,17)/b15-6+/f/h16H/b15-6+,17-13+ DA9B2029EA795538