InChI=1S/C22H38O3/c1-2-20-21(25-20)18-16-14-12-10-8-6-4-3-5-7-9-11-13-15-17-19-22(23)24/h8,10,14,16,20-21H,2-7,9,11-13,15,17-19H2,1H3,(H,23,24)/b10-8-,16-14-