InChI=1S/C20H32O7S/c1-2-3-4-5-6-7-8-9-18(27-28(24,25)26)15-17(21)12-10-16-11-13-19(22)20(23)14-16/h11,13-14,18,22-23H,2-10,12,15H2,1H3,(H,24,25,26)