Study of Metal Chelates of Some Bis Phenyl Azo Pyrazolones

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Chelates of 4-Methyl Phenyl Azo-1-Phenyl-(4'-Phenyl Azo)-3-Methyl-5-Pyrazolones with copper (II), nickel (II), zinc (II) and manganese (II) are perhaps reported for the first time."

Metal chelates; Substituted azo pyrazolones