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