InChI=1S/C22H20O13/c23-6-8-5-10(33-22-17(30)14(27)16(29)20(35-22)21(31)32)12(25)11-13(26)15(28)19(34-18(8)11)7-1-3-9(24)4-2-7/h1-5,14,16-17,20,22-25,27-30H,6H2,(H,31,32)