((5-Nitrofurfurylidene)amino)guanidine, monohydrochloride 300-25-4 946-48-5 GUANIDINE, ((5-NITROFURFURYLIDENE)AMINO)-, MONOHYDROCHLORIDE Guanofuracin Hydrazinecarboximidamide, 2-(((5-nitro-2-furanyl)methylene)amino)-, monochloride Hydrazinecarboximidamide, 2-(((5-nitro-2-furanyl)methylene)amino)-, monohydrochloride (9CI) NSC 6459