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