InChI=1S/C23H44O5/c1-4-5-6-9-13-16-22(25)27-18-21(24)19-28-23(26)17-14-11-8-7-10-12-15-20(2)3/h20-21,24H,4-19H2,1-3H3/t21-/m1/s1