1-Ethyl-2-((5-nitro-2-furanyl)methylene)hydrazinecarboxamide 2-Ethyl-(5-nitrofuraldehyd)semicarbazon 2-Furaldehyde, 5-nitro-, 2-ethylsemicarbazone 5-Nitro-2-furaldehyde 2-ethylsemicarbazone 5579-89-5 Etafurazone Hydrazinecarboxamide, 1-ethyl-2-((5-nitro-2-furanyl)methylene)- NF 161 NIFURSEMIZONE Nifursemizona Nifursemizone [USAN:INN] Nifursemizonum