InChI=1S/C22H25BrN2O8S2/c1-5-32-22(26)20-18(13-34(27,28)14-9-7-6-8-10-14)25(4)17-11-16(23)21(33-35(29,30)31)15(19(17)20)12-24(2)3/h6-11H,5,12-13H2,1-4H3,(H,29,30,31)/p-1