<unk>  is a quaternary ammonium cation commonly available as the dichloride salt. The bromide, iodide, acetate, and undecenoate salts are known as well.<unk>  chloride is the active ingredient of several medications:
Dequadin an antiseptic and disinfectant. It is a topical bacteriostat. It is used in wound dressings and mouth infections and may also have antifungal action. It may cause skin ulceration.
Fluomizin, vaginal tablets containing 10 mg<unk>  chloride, are used for treating vaginal bacterial conditions (i.e. Bacterial Vaginosis).
The<unk>  dication is symmetrical, containing two quaternary quinolinium units linked by a dodecylene chain.
Dequalinium
Benzoctamine
Linsidomine
Dimethyltubocurarine
Tolperisone
Clofoctol
Demecolcine
Dextromoramide