+++Collect. Czechosl. Chem. Commun., 57 (1992) N 10,

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Reactions of 4-aroyl-3-chloro-6-phenylpyridazines with some nucleophilic reagents, synthesis of some fused pyridazine derivatives
Ismail M. F., Elkhamry A. A., Sayed F. S., Emara S. A., Shindy A. A.
Collect. Czechosl. Chem. Commun., 57 (1992) N 10, S 2199-2202

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http://dx.doi.org/10.1135/cccc19922199

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