InChI=1/C12H11BrN2O3S2/c1-5-8(10(16)11(17)18-2)9(15-12(19)14-5)6-3-4-7(13)20-6/h3-4,9H,1-2H3,(H2,14,15,19)/t9-/m1/s1/f/h14-15H 538F63BD78E11F4A