2,3,5,6-tetradeuteriopyridine-4-carbohydrazide;4-(Pyridine-d4)carboxylic Acid Hydrazide; Isonicotinic Acid-d4 Hydrazide; 4-(Hydrazinocarbonyl)pyridine-d4; 4-(Pyridine-d4)carbonylhydrazine; 4-(Pyridine-d4)carboxylic Hydrazide; 4-(Pyridyl-d4)carbonylhydrazide; 5015 R.P.-d4; Armazid-d4; Armazide-d4; Atcotibine-d4; Isonizide-d4; Isotebezid-d4; Isozide-d4; Robisellin-d4; Sauterazid-d4; Zinadon-d4; Zonazide-d4; Tubazid-d4;Isoniazid-d4
