InChI=1S/C20H22O11S/c21-9-20(24)10-28-19(18(20)31-32(25,26)27)29-12-6-14(22)13-8-15(23)17(30-16(13)7-12)11-4-2-1-3-5-11/h1-7,15,17-19,21-24H,8-10H2,(H,25,26,27)