InChI=1S/C28H46O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-21-24-27(29)25-28(30)26-22-19-18-20-23-26/h18-20,22-23H,2-17,21,24-25H2,1H3