2398-81-4 2758-22-7 3-Carboxypyridine N-oxide 3-Pyridinecarboxylic acid oxide 3-Pyridinecarboxylic acid, 1-oxide Acide oxiniacique [INN-French] Acido oxiniacico [INN-Spanish] Acidum oxiniacicum [INN-Latin] EINECS 219-265-0 N-Hydroxynicotinic acid N-OXIDENICOTINIC ACID NSC 93890 Nicotinic acid 1-oxide Nicotinic acid N-oxide Nicotinic acid oxide Oxiniacic acid Oxiniacic acid [DCF:INN] Pyridine-3-carboxylic acid N-oxide