InChI=1S/C19H30O8S/c1-3-4-5-6-7-8-15(20)13-17(22)19(27-28(23,24)25)12-14-9-10-16(21)18(11-14)26-2/h9-11,15,19-21H,3-8,12-13H2,1-2H3,(H,23,24,25)