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