InChI=1S/C28H54O5/c1-5-25(4)19-15-11-7-9-12-16-20-27(30)32-23-26(22-29)33-28(31)21-17-13-8-6-10-14-18-24(2)3/h24-26,29H,5-23H2,1-4H3/t25?,26-/m0/s1