InChI=1S/C22H38O3/c1-2-3-4-5-9-12-15-18-21(23)19-16-13-10-7-6-8-11-14-17-20-22(24)25/h3-4,9,12,15,18,21,23H,2,5-8,10-11,13-14,16-17,19-20H2,1H3,(H,24,25)/b4-3-,12-9-,18-15?