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