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