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