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