A number of 2- and 5-triazenoimidazoles were prepared by the coupling of diazo compounds with aliphatic amines; however, 4,5-dicyanoimidazole-2-diazonium chloride was transformed into 2-amino-1-methylimidazole-4,5-dicarbonitrile.
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Sadtchikova et al. (2002) studied this question.
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