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