InChI=1S/C22H20O11/c1-30-13-5-2-9(14-8-12(24)11-4-3-10(23)7-15(11)31-14)6-16(13)32-22-19(27)17(25)18(26)20(33-22)21(28)29/h2-8,17-20,22-23,25-27H,1H3,(H,28,29)