InChI=1S/C20H24O8S/c1-11-14(10-21)6-13-8-18(26-2)16(22)9-15(13)20(11)12-4-5-17(19(7-12)27-3)28-29(23,24)25/h4-5,7-9,11,14,20-22H,6,10H2,1-3H3,(H,23,24,25)