InChI=1S/C22H24O7/c1-14(24)25-11-18(7-16-3-5-20-22(9-16)29-13-27-20)17(10-23)6-15-2-4-19-21(8-15)28-12-26-19/h2-5,8-9,17-18,23H,6-7,10-13H2,1H3