InChI=1S/C24H42O4/c1-3-5-7-9-10-11-12-13-14-15-16-18-22-28-24(26)20-19-23(25)27-21-17-8-6-4-2/h6,8,19-20H,3-5,7,9-18,21-22H2,1-2H3/b8-6+,20-19+