InChI=1/C18H23N3O3/c1-4-21(12-16-6-5-11-24-16)13-17(22)19-15-9-7-14(8-10-15)18(23)20(2)3/h5-11H,4,12-13H2,1-3H3,(H,19,22)/p+1/fC18H24N3O3/h19,21H/q+1 5B5E30AE7A8A2C82