InChI=1S/C20H36O8S/c1-2-3-6-9-15(28-29(25,26)27)12-13-17-16(18(21)14-19(17)22)10-7-4-5-8-11-20(23)24/h15-17,19,22H,2-14H2,1H3,(H,23,24)(H,25,26,27)