InChI=1S/C21H42O6S/c1-20(27-28(24,25)26)18-16-14-12-10-8-6-4-2-3-5-7-9-11-13-15-17-19-21(22)23/h20H,2-19H2,1H3,(H,22,23)(H,24,25,26)