InChI=1S/C20H26O11/c1-8-14(22)13(21)7-12(29-8)5-9-3-10(28-2)6-11(4-9)30-20-17(25)15(23)16(24)18(31-20)19(26)27/h3-4,6,8,12,14-18,20,22-25H,5,7H2,1-2H3,(H,26,27)