1H-Imidazole-4-carbonitrile, 5-amino- 4-Amino-5-cyanoimidazole 4-Aminoimidazole-5-carbonitrile 5-Amino-4-cyanoimidazole 5-Cyano-4-aminoimidazole 5098-11-3 Amino-4-carbonitrile-5-imidazole Imidazole-4-carbonitrile, 5-amino- NSC139091