InChI=1S/C22H24O11/c1-29-13-7-9(3-5-11(13)23)18-19(32-18)10-4-6-12(14(8-10)30-2)31-22-17(26)15(24)16(25)20(33-22)21(27)28/h3-8,15-20,22-26H,1-2H3,(H,27,28)