InChI=1S/C22H22O13/c1-32-18-9(24)6-10(33-22-16(29)13(26)15(28)20(35-22)21(30)31)11-12(25)14(27)17(34-19(11)18)7-2-4-8(23)5-3-7/h2-6,13-17,20,22-24,26-29H,1H3,(H,30,31)