Nsc163338;1-methylpyridin-1-ium-3-ol,bromide;Pyridostigmine Bromide EP Impurity B;3-Hydroxy-N-methylpyridinium Bromide;3-hydroxy-1-Methylpyridin-1-iuM broMide;Pyridinium,3-hydroxy-1-methyl-, bromide (1:1);Pyridostigmine bromide EP Impurity B（Bromide）;Pyridostigmine Bromide EP Impurity B as Bromide;Pyridostigmine USP Related Compound B as Bromide;Pyridostigmine Bromide Impurity 2（Pyridostigmine Bromide EP Impurity B）
3-Hydroxy-1-methyl-pyridinium Bromide is a degradation product of Pyridostigmine Bromide (P991705), which is a cholinergic and it is used in the treatment of myasthenia gravis, and is a pre-exposure antidote to chemical warfare agents.
