InChI=1S/C22H20O11/c1-30-15-6-10-12(24)7-13(9-4-2-3-5-11(9)23)31-14(10)8-16(15)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)