InChI=1S/C23H44O4/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-23(26)27-22(20-24)21-25/h7-8,22,24-25H,2-6,9-21H2,1H3/b8-7-