tetraethylammonium chloride


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tet·ra·eth·yl·am·mo·ni·um chlor·ide

(tet'ră-eth'il-ă-mō'nē-ŭm klōr'īd),
A quaternary ammonium compound that partially blocks transmission of impulses through parasympathetic and sympathetic ganglia and is used in pharmacologic studies to block ganglionic transmission; its clinical usefulness is limited; formerly used as an antihypertensive drug.