InChI=1S/C22H42O6S/c1-2-3-4-5-6-7-8-9-12-15-18-21(28-29(25,26)27)19-16-13-10-11-14-17-20-22(23)24/h15,18,21H,2-14,16-17,19-20H2,1H3,(H,23,24)(H,25,26,27)/b18-15-