InChI=1S/C16H28O6S/c1-15(22-23(19,20)21)13-11-9-7-5-3-2-4-6-8-10-12-14-16(17)18/h2,4-5,7,15H,3,6,8-14H2,1H3,(H,17,18)(H,19,20,21)/b4-2-,7-5-