InChI=1/C16H18N2O2/c1-11(2)18-16(20)14(10-17)15(19)8-7-13-6-4-5-12(3)9-13/h4-9,11,18,20H,1-3H3/p-1/b8-7+,16-14-/fC16H17N2O2/h20h/q-1 2EFF7B3AD65F859C