InChI=1S/C26H50O4/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-26(29)30-24-25(28)23-27/h14-15,25,27-28H,2-13,16-24H2,1H3/b15-14-/t25-/m1/s1