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