InChI=1S/C20H24O11S/c1-20(2,27)8-7-11-14(23)9-15(24)16(18(11)26)12(21)5-3-10-4-6-13(22)19(17(10)25)31-32(28,29)30/h4,6,9,22-27H,3,5,7-8H2,1-2H3,(H,28,29,30)