Also Called: Nickel, [N-(4-chlorophenyl)-2-[3-[[[1-(4-chlorophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]methylene]hydrazino]-1H-isoindol-1-ylidene]-2-cyanoacetamidato(2-)]-;Nickel, [N-(4-chlorophenyl)-3-[2-[[1-(4-chlorophenyl)-4,5-dihydro-3-methyl-5-(oxo-.kappa.O)-1H-pyrazol-4-yl]methylene]hydrazinylidene-.kappa.N2]-.alpha.-cyano-1H-isoindole-3-acetamidato(2-)-.kappa.N2,.kappa.O3]-;Nickel compounds;Nickel, (N-(4-chlorophenyl)-3-(2-((1-(4-chlorophenyl)-4,5-dihydro-3-methyl-5-(oxo-kappaO)-1H-pyrazol-4-yl)methylene)hydrazinylidene-kappaN2)-alpha-cyano-1H-isoindole-3-acetamidato(2-)-kappaN2,kappaO3)-;Nickel, [N-(4-chlorophenyl)-3-[[[1-(4-chlorophenyl)-4,5-dihydro-3-methyl-5-(oxo-κO)-1H-pyrazol-4-yl]methylene]hydrazino-κN2]-α-cyano-1H-isoindole-3-acetamidato(2-)-κN2,κO3]-;Nickel, [N-(4-chlorophenyl)-3-[2-[[1-(4-chlorophenyl)-4,5-dihydro-3-methyl-5-(oxo-κO)-1H-pyrazol-4-yl]methylene]hydrazinylidene-κN2]-α-cyano-1H-isoindole-3-acetamidato(2-)-κN2,κO3]-;Nickel, [N-(4-chlorophenyl)-3-[[[1-(4-chlorophenyl)-4,5-dihydro-3-methyl-5-(oxo-.kappa.O)-1H-pyrazol-4-yl]methylene]hydrazino-.kappa.N2]-.alpha.-cyano-1H-isoindole-3-acetamidato(2-)-.kappa.N2,.kappa.O3]-