InChI=1S/C22H18O11/c23-16-11-3-2-10(32-22-19(26)17(24)18(25)20(33-22)21(27)28)6-14(11)29-7-12(16)9-1-4-13-15(5-9)31-8-30-13/h1-7,17-20,22,24-26H,8H2,(H,27,28)