Main production: pyrazole, 3-methylpyrazole, 3-nitropyrazole, 4-methylpyrazole, 4-nitropyrazole, 1.3-dimethylpyrazole, 1.5dimethylpyrazole, 3.5 Dimethylpyrazole, pyrazole-3-carboxylic acid, triphenylphosphine, 4-dimethylaminopyridine and other products