InChI=1S/C14H13Br2NO5S2/c1-2-22-7-3-6(10(15)11(16)12(7)20)4-8-13(21)17(5-9(18)19)14(23)24-8/h3,8,20H,2,4-5H2,1H3,(H,18,19)/t8-/m1/s1