InChI=1S/C20H32N2O2/c1-2-3-4-5-8-11-14-20-15-17(18(16-20)21-22-20)12-9-6-7-10-13-19(23)24/h2-3,6,9,17-18H,4-5,7-8,10-16H2,1H3,(H,23,24)