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