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