InChI=1S/C22H24O7/c23-17-18(24)20(21(26)27)29-22(19(17)25)28-16-9-5-4-8-15(16)14-11-10-13(14)12-6-2-1-3-7-12/h1-9,13-14,17-20,22-25H,10-11H2,(H,26,27)