InChI=1S/C20H32O8S/c1-10(8-27-29(24,25)26)12-7-13-16(2)9-19(22)18(12,4)20(13,23)15(28-19)14-11(16)5-6-17(14,3)21/h10-15,21-23H,5-9H2,1-4H3,(H,24,25,26)