InChI=1/C16H18N2O/c1-2-4-15(5-3-1)19-16-8-6-14(7-9-16)18-12-10-17-11-13-18/h1-9,17H,10-13H2/p+1/fC16H19N2O/h17H/q+1 C2AF59A31E246FF2