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