<unk>  is an antimuscarinic. It is poorly absorbed from the gut. The active moiety is<unk> , a quaternary ammonium cation.
Tiemonium iodide
Tibezonium iodide
Demecarium bromide
Benzethonium chloride
Benzalkonium chloride
Mercuric iodide
Didecyldimethylammonium chloride
Bethanechol chloride