InChI=1S/C19H34O6S/c1-18(25-26(21,22)23)16-14-12-10-8-6-4-3-5-7-9-11-13-15-17-19(20)24-2/h3-4,8,10,18H,5-7,9,11-17H2,1-2H3,(H,21,22,23)/b4-3+,10-8-