InChI=1S/C20H22O10/c1-8(2)3-5-10-16-9(4-6-12(22)28-16)7-11(21)17(10)29-20-15(25)13(23)14(24)18(30-20)19(26)27/h3-4,6-7,13-15,18,20-21,23-25H,5H2,1-2H3,(H,26,27)