InChI=1S/C25H50O4/c1-23(2)19-17-15-13-11-9-7-5-3-4-6-8-10-12-14-16-18-20-25(28)29-22-24(27)21-26/h23-24,26-27H,3-22H2,1-2H3/t24-/m1/s1