InChI=1S/C22H22O10/c1-9-15(10-5-3-2-4-6-10)16(24)11-7-12(23)14(8-13(11)30-9)31-22-19(27)17(25)18(26)20(32-22)21(28)29/h2-9,15,17-20,22-23,25-27H,1H3,(H,28,29)