Gravar-mail: 4-((E)-{2-[N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)carboximido­yl]benzyl­idene}amino)-1,5-dimethyl-2-phenyl-2,3-dihydro-1H-pyrazol-3-one