Pyridinium derivatives, e.g. pralidoxime, pyridostigmine

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Medicinal preparations containing organic active ingredients > Heterocyclic compounds > having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins > having six-membered rings with one nitrogen as the only ring hetero atom > Non condensed pyridines; Hydrogenated derivatives thereof > Pyridinium derivatives, e.g. pralidoxime, pyridostigmine