InChI=1/C17H28N2O2/c1-2-3-11-19(15-17(18)20)12-7-13-21-14-10-16-8-5-4-6-9-16/h4-6,8-9H,2-3,7,10-15H2,1H3,(H2,18,20)/p+1/fC17H29N2O2/h19H,18H2/q+1 AE4F2B77AB7998E9