InChI=1S/C22H18O13/c1-33-19-12-8(13(26)7-2-6(5-23)3-9(24)11(7)14(12)27)4-10(25)18(19)34-22-17(30)15(28)16(29)20(35-22)21(31)32/h2-5,15-17,20,22,24-25,28-30H,1H3,(H,31,32)