InChI=1/C16H24N2O2/c1-3-11-18(14-9-10-14)12-16(17-2,15(19)20)13-7-5-4-6-8-13/h4-8,14,17H,3,9-12H2,1-2H3,(H,19,20)/p+1/t16-/m0/s1/fC16H25N2O2/h17-18H/q+1 1847D82C60F1EFA2