InChI=1S/C20H36O9S/c1-2-3-6-9-15(29-30(26,27)28)11-12-16-17(21)14-18(22)20(16,25)13-8-5-4-7-10-19(23)24/h15-17,21,25H,2-14H2,1H3,(H,23,24)(H,26,27,28)