InChI=1S/C20H34O12S/c1-5-7-10-28-17(22)13-20(31-16(4)21,19(24)30-11-8-6-2)14-18(23)29-12-9-15(3)32-33(25,26)27/h15H,5-14H2,1-4H3,(H,25,26,27)