InChI=1/C17H24N2O/c1-2-11-19(12-4-3-10-18)15-8-9-16-14(13-15)6-5-7-17(16)20/h5-7,15,20H,2-4,8-9,11-13H2,1H3/p+1/t15-/m1/s1/fC17H25N2O/h19H/q+1 89731EB76F516F24