InChI=1S/C16H30O6S/c1-2-3-4-5-6-7-8-9-10-12-15(22-23(19,20)21)13-11-14-16(17)18/h11,13,15H,2-10,12,14H2,1H3,(H,17,18)(H,19,20,21)/b13-11-