InChI=1S/C20H22O11/c1-20(2)17(25)15(29-19-13(24)11(22)12(23)16(30-19)18(26)27)10-8(31-20)5-3-7-4-6-9(21)28-14(7)10/h3-6,11-13,15-17,19,22-25H,1-2H3,(H,26,27)