3-Hydroxycarbamoyl-1-methylpyridinium iodide 5434-60-6 N-Methylpyridinium-3-carbohydroxamic acid iodide NSC 14000 Pyridinium, 3-((hydroxyamino)carbonyl)-1-methyl-, iodide Pyridinium, 3-hydroxycarbamoyl-1-methyl-, iodide