InChI=1S/C22H24O12/c1-8(23)34-22(2,3)19-17(32-21-15(27)13(25)14(26)18(33-21)20(28)29)12-10(30-19)6-4-9-5-7-11(24)31-16(9)12/h4-7,13-15,17-19,21,25-27H,1-3H3,(H,28,29)