InChI=1S/C20H32O9S/c1-10(8-28-30(25,26)27)11-7-12-15(2)9-19(23)17(11,4)20(12,24)14(29-19)13-16(3,21)5-6-18(13,15)22/h10-14,21-24H,5-9H2,1-4H3,(H,25,26,27)