InChI=1S/C20H34O6S/c21-20(22)18-16-14-12-10-8-6-4-2-1-3-5-7-9-11-13-15-17-19-26-27(23,24)25/h1,3-4,6-7,9H,2,5,8,10-19H2,(H,21,22)(H,23,24,25)/b3-1-,6-4-,9-7-