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