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