1H-Imidazole-4-carboxamide, 5-(3-(2-chloroethyl)-1-triazenyl)- 28177-14-2 5-(3-(2-Chloroethyl)triazen-1-yl)imidazole-4-carboxamide Imidazole-4-carboxamide, 5-(3-(2-chloroethyl)-1-triazenyl)- NSC 157949