InChI=1S/C21H36O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21(22)23/h4-5,7-8,16-17H,2-3,6,9-15,18-20H2,1H3,(H,22,23)/b5-4-,8-7-,17-16-