InChI=1S/C22H22O12/c1-32-10-5-2-9(3-6-10)4-7-11(23)14-12(24)8-13(25)15(26)19(14)33-22-18(29)16(27)17(28)20(34-22)21(30)31/h2-8,16-18,20,22,24-29H,1H3,(H,30,31)