InChI=1S/C28H52O5/c1-3-5-7-9-11-12-13-14-15-17-19-21-23-28(31)33-26(24-29)25-32-27(30)22-20-18-16-10-8-6-4-2/h7,9,26,29H,3-6,8,10-25H2,1-2H3/b9-7-/t26-/m1/s1