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