InChI=1S/C22H18O12/c23-8-1-2-9-12(3-8)30-6-11(16(9)24)10-4-14-15(32-7-31-14)5-13(10)33-22-19(27)17(25)18(26)20(34-22)21(28)29/h1-6,17-20,22-23,25-27H,7H2,(H,28,29)