17896-06-9 22135-88-2 4-Diazo-4H-imidazole-5-carboxamide 5-25-07-00240 (Beilstein Handbook Reference) 5-Diazoimidazole-4-carboxamide 7008-85-7 BRN 4397897 Diazo-ica Diazoimidazole-4-carboxamide EINECS 230-284-3 Imidazole-4-carboxamide, 5-diazo- NSC 22420