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