4-{[1-(Methoxycarbonyl)ethylamino](phen­yl)methyl­idene}-3-meth­yl-1-phenyl­-1H-pyrazol-5(4H)-one

The title compound, C₂₁H₂₁N₃O₃, is a neutral potentially tridentate ligand in an enamine-keto form, stabilized by an intra­molecular N—H...O hydrogen bond. There are two mol­ecules in the asymmetric unit.