InChI=1S/C22H24O12/c1-8(13(23)11-7-12(32-2)15(25)16(26)14(11)24)9-3-5-10(6-4-9)33-22-19(29)17(27)18(28)20(34-22)21(30)31/h3-8,17-20,22,24-29H,1-2H3,(H,30,31)