InChI=1S/C20H26O10/c1-9(2)3-5-11-7-10(4-6-12(11)21)8-13(22)19(28)30-20-16(25)14(23)15(24)17(29-20)18(26)27/h3-4,6-7,13-17,20-25H,5,8H2,1-2H3,(H,26,27)