InChI=1S/C25H26O8S/c1-14(2)5-10-17-22(27)21-19(26)13-20(15-6-8-16(9-7-15)33-34(28,29)30)31-24(21)18-11-12-25(3,4)32-23(17)18/h5-9,11-12,20,27H,10,13H2,1-4H3,(H,28,29,30)