InChI=1S/C21H34O8S/c1-3-4-5-6-7-8-9-10-18(29-30(25,26)27)15-17(22)12-11-16-13-19(23)21(24)20(14-16)28-2/h13-14,18,23-24H,3-12,15H2,1-2H3,(H,25,26,27)