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