InChI=1S/C18H30O6S/c1-2-3-4-5-6-7-8-9-10-11-14-17(24-25(21,22)23)15-12-13-16-18(19)20/h6-7,9-11,14,17H,2-5,8,12-13,15-16H2,1H3,(H,19,20)(H,21,22,23)/b7-6-,10-9-,14-11?