InChI=1S/C22H20O14/c1-33-13-5-12-14(16(27)15(13)26)9(25)4-10(34-12)6-2-8(24)11(3-7(6)23)35-22-19(30)17(28)18(29)20(36-22)21(31)32/h2-5,17-20,22-24,26-30H,1H3,(H,31,32)