InChI=1/C18H24N2O2/c1-2-7-20-8-9-22-17-14-11-15-13(5-6-19-18(15)21)10-12(14)3-4-16(17)20/h10-11,16-17H,2-9H2,1H3,(H,19,21)/t16-,17-/m1/s1/f/h19H DF983A46DD1D5859