InChI=1S/C22H22O10/c1-28-11-4-3-10-7-16(31-14(10)8-11)13-6-5-12(9-15(13)29-2)30-22-19(25)17(23)18(24)20(32-22)21(26)27/h3-9,17-20,22-25H,1-2H3,(H,26,27)