InChI=1/C18H24N2O/c1-13-8-10-15(11-9-13)18(14(2)19)21-17-7-5-6-16(12-17)20(3)4/h5-12,14,18H,19H2,1-4H3/p+1/t14-,18+/m1/s1/fC18H25N2O/h19H/q+1 061A68BD3D52F73C