InChI=1S/C24H30O9S/c1-15(2)5-7-20(25)17(4)12-19(33-34(28,29)30)11-16(3)9-10-31-23-14-22-18(13-21(23)26)6-8-24(27)32-22/h5-6,8-9,12-14,19-20,25-26H,7,10-11H2,1-4H3,(H,28,29,30)/b16-9+,17-12-