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