InChI=1S/C22H18O12/c23-16-17(24)19(21(28)29)34-22(18(16)25)33-14-6-13-9(3-10(14)20(26)27)5-12(32-13)8-1-2-11-15(4-8)31-7-30-11/h1-6,16-19,22-25H,7H2,(H,26,27)(H,28,29)