InChI=1S/C20H22O11S/c1-20(27,10-31-32(28,29)30)7-6-13-16(24)9-17(25)18(19(13)26)14(22)5-3-11-2-4-12(21)8-15(11)23/h2-5,8-9,21,23-27H,6-7,10H2,1H3,(H,28,29,30)