InChI=1S/C22H20O13/c1-33-10-4-7(24)3-9-11(10)14(26)12-8(13(9)25)2-6(5-23)19(15(12)27)34-22-18(30)16(28)17(29)20(35-22)21(31)32/h2-4,16-18,20,22-24,27-30H,5H2,1H3,(H,31,32)