InChI=1S/C23H20O11/c24-12-4-9-11-7-31-14-5-13-8(1-2-30-13)3-10(14)20(11)32-15(9)6-16(12)33-23-19(27)17(25)18(26)21(34-23)22(28)29/h1-6,11,17-21,23-27H,7H2,(H,28,29)