InChI=1S/C22H42O6S/c23-22(24)20-18-16-14-12-10-8-6-4-2-1-3-5-7-9-11-13-15-17-19-21-28-29(25,26)27/h1-2H,3-21H2,(H,23,24)(H,25,26,27)/b2-1-