InChI=1S/C20H22O11/c1-8(21)5-13(30-20-17(25)15(23)16(24)18(31-20)19(26)27)10-6-9-3-4-14(22)29-11(9)7-12(10)28-2/h3-4,6-7,13,15-18,20,23-25H,5H2,1-2H3,(H,26,27)