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