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