InChI=1S/C22H38O3/c1-2-21(23)19-17-15-13-11-9-7-5-3-4-6-8-10-12-14-16-18-20-22(24)25/h7,9,13,15,17,19,21,23H,2-6,8,10-12,14,16,18,20H2,1H3,(H,24,25)/b9-7-,15-13-,19-17+