InChI=1/C13H11BrN2O3S/c1-7-10(6-11(17)18)12(19)16(13(20)15-7)9-4-2-3-8(14)5-9/h2-5H,6H2,1H3,(H,15,20)(H,17,18)/p-1/fC13H10BrN2O3S/h15H/q-1 BD463466573257E8