InChI=1/C18H23N3O3/c1-21(2)10-11-24-16-7-5-4-6-15(16)18(22)20-13-14-8-9-17(23-3)19-12-14/h4-9,12H,10-11,13H2,1-3H3,(H,20,22)/p+1/fC18H24N3O3/h20-21H/q+1 2D8CF6AB8B703D8F