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/h12-13,25,27-28H,2-11,14-24H2,1H3/b13-12-/t25-/m1/s1