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A simple and versatile method for the synthesis of pyrazol-3-yl-1,3,4-oxadiazole, pyrazol-3-yl-1,2,4- triazole, (1,5-diphenylpyrazol-3-yl)-(3,5-dimethyl-1-carbonyl)pyrazole and (1,5-diphenylpyrazol-3-yl)-(5- hydroxy-3-metheyl-1-carbonyl)pyrazole derivatives from 1,5-diphenylpyrazole-3-carboxylic acid hydrazide has been developed.