InChI=1S/C28H54O5/c1-4-6-7-8-9-10-11-16-19-22-28(31)33-26(23-29)24-32-27(30)21-18-15-13-12-14-17-20-25(3)5-2/h25-26,29H,4-24H2,1-3H3/t25?,26-/m0/s1