InChI=1S/C23H44O4/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-23(26)27-21-22(25)20-24/h11-12,22,24-25H,2-10,13-21H2,1H3/b12-11-/t22-/m1/s1