InChI=1S/C20H28O10/c1-2-3-4-5-6-9-28-19(27)11-7-8-12(21)13(10-11)29-20-16(24)14(22)15(23)17(30-20)18(25)26/h7-8,10,14-17,20-24H,2-6,9H2,1H3,(H,25,26)