InChI=1S/C18H32O6S/c1-2-3-11-14-17(24-25(21,22)23)15-12-9-7-5-4-6-8-10-13-16-18(19)20/h7,9,12,15,17H,2-6,8,10-11,13-14,16H2,1H3,(H,19,20)(H,21,22,23)/b9-7-,15-12+