NCIt definition : The chloride salt form of ambenonium, a quaternary ammonium compound with parasympathomimetic
activity. Ambenonium chloride is a rapid indirect-acting cholinergic agonist that
reversibly blocks the activity of acetylcholinesterase, thereby prevents acetylcholine
hydrolysis and prolonging its activity on nicotinic receptors at the neuromuscular
junction.;