InChI=1S/C20H26O10/c1-8(2)4-5-10-6-11(7-12(21)13(10)22)9(3)19(28)30-20-16(25)14(23)15(24)17(29-20)18(26)27/h4,6-7,9,14-17,20-25H,5H2,1-3H3,(H,26,27)