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