(1E,2E)-1,2-bis((5-nitrofuran-2-yl)methylene)hydrazine;Nifuratel Impurity B (5-Nitrofuraldazine);5-Nitro-2-Furaldehyde (5-Nitrofurfurylene)Hydrazone;Nifuratel Impurity 2;bis-(5-nitro-furan-2-ylmethylene)-hydrazine
(1E,2E)-1,2-bis((5-nitrofuran-2-yl)methylene)hydrazine;Nifuratel Impurity B (5-Nitrofuraldazine);5-Nitro-2-Furaldehyde (5-Nitrofurfurylene)Hydrazone;Nifuratel Impurity 2;bis-(5-nitro-furan-2-ylmethylene)-hydrazine