InChI=1S/C20H34O8S/c1-3-4-7-10-18(22)14-13-17(15-28-29(25,26)27)19(16(2)21)11-8-5-6-9-12-20(23)24/h5,8,13-14,17-19,22H,3-4,6-7,9-12,15H2,1-2H3,(H,23,24)(H,25,26,27)/b8-5-,14-13+