InChI=1S/C22H21O13/c1-32-14-3-7(2-11(24)15(14)26)19-12(25)6-9-10(23)4-8(5-13(9)34-19)33-22-18(29)16(27)17(28)20(35-22)21(30)31/h2-6,16-18,20,22-29H,1H3,(H,30,31)