InChI=1S/C20H24O6/c1-24-19-13-15(6-7-16(19)23)17(9-11-22)26-18-8-5-14(4-3-10-21)12-20(18)25-2/h5-9,12-13,21-23H,3-4,10-11H2,1-2H3