isonicotinohydrazide;4-Pyridinecarboxylic Acid Hydrazide; Isonicotinic Acid Hydrazide; 4-(Hydrazinocarbonyl)pyridine; 4-Pyridinecarbonylhydrazine; 4-Pyridinecarboxylic Hydrazide; 4-Pyridylcarbonylhydrazide; 5015 R.P.; Armazid; Armazide; Atcotibine;Isonizide; Isotebezid; Isozide; Robisellin; Sauterazid; Zinadon; Zonazide; Tubazid;Isoniazid