InChI=1S/C22H36O2/c1-3-4-5-6-7-8-9-10-11-12-13-14-15-16-20-17-21(23)19(2)22(24)18-20/h8-9,17-18,23-24H,3-7,10-16H2,1-2H3/b9-8-