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