InChI=1S/C22H22O10/c1-9-15(10-3-2-4-11(23)7-10)16(24)13-6-5-12(8-14(13)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)