InChI=1S/C24H22O9S/c1-13(12-31-34(28,29)30)20(26)19-21(27)18-16(14-7-5-4-6-8-14)11-17(25)32-22(18)15-9-10-24(2,3)33-23(15)19/h4-11,13,27H,12H2,1-3H3,(H,28,29,30)