InChI=1S/C21H34O8S/c1-3-4-5-6-7-8-9-10-17(22)14-18(23)15-20(29-30(25,26)27)16-11-12-19(24)21(13-16)28-2/h11-13,17,20,22,24H,3-10,14-15H2,1-2H3,(H,25,26,27)