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