InChI=1S/C27H52O4/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-27(30)31-25-26(29)24-28/h13-14,26,28-29H,2-12,15-25H2,1H3/b14-13-/t26-/m1/s1