2-Furancarbohydrazonic acid 2-Furancarboxylic acid, hydrazide 2-Furoic acid, hydrazide 2-Furoylhydrazide 2-Furylcarbonylhydrazide 2-Furylcarboxylic acid hydrazide 3326-71-4 Furoic acid, hydrazide Furoylhydrazide NSC11957 WLN: T5OJ BVMZ