InChI=1S/C21H34O6S/c1-13(23)17-5-6-18-16-4-3-14-11-15(27-28(24,25)26)7-10-21(14,12-22)19(16)8-9-20(17,18)2/h14-19,22H,3-12H2,1-2H3,(H,24,25,26)