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