Derivatives of ammonium compounds, (NH4(+))Y(-), in which all four of the hydrogens bonded to nitrogen have been replaced with univalent (usually organyl) groups.
| Member | Definition | Role |
|---|
| 4-diphenylacetoxy-n-methylpiperidine methiodide | A quaternary ammonium salt obtained by combining equimolar amounts of 4-diphenylacetoxy-N-methylpiperidine and iodomethane. | 4-DAMP methiodide |
| acetylcholine bromide | The bromide salt of acetylcholine. | acetylcholine bromide |
| acetylcholine chloride | The chloride salt of acetylcholine, and a parasympatomimetic drug. | acetylcholine chloride |
| aclidinium bromide | A quaternary ammonium salt that is the bromide salt of aclidinium. A muscarinic acetylcholine M3 receptor antagonist, for the long-term maintenance treatment of bronchospasm associated with chronic obstructive pulmonary disease (COPD). | aclidinium bromide |
| ambenonium chloride | A symmetrical oxalamide-based bis-quaternary ammonium salt having ethyl and 2-chlorobenzyl groups attached to the nitrogens. | ambenonium chloride |
| atracurium besylate | The bisbenzenesulfonate salt of atracurium. | atracurium besylate |
| benzethonium chloride | A (synthetic) quaternary ammonium salt that is benzyldimethylamine in which the nitrogen is quaternised by a 2-{2-[p-(2,4,4-trimethylpentan-2-yl)phenoxy]ethoxy}ethyl group, with chloride as the counter-ion. An antiseptic and disinfectant, it is active against a broad spectrum of bacteria, fungi, moulds and viruses. | benzethonium chloride |
| Betaine Aldehyde Chloride | | Betaine Aldehyde Chloride |
| bethanechol chloride | The chloride salt of bethanechol. A slowly hydrolysed muscarinic agonist with no nicotinic effects, it is used to increase smooth muscle tone, as in the gastrointestinal tract following abdominal surgery, treatment of gastro-oesophageal reflux disease, and as an alternative to catheterisation in the treatment of non-obstructive urinary retention. | bethanechol chloride |
| bretylium tosylate | The tosylate salt of bretylium. It blocks noradrenaline release from the peripheral sympathetic nervous system, and is used in emergency medicine, cardiology, and other specialties for the acute management of ventricular tachycardia and ventricular fibrillation. | bretylium tosylate |
| cetrimonium bromide | The organic bromide salt that is the bromide salt of cetyltrimethylammonium; one of the components of the topical antiseptic cetrimide. | cetyltrimethylammonium bromide |
| choline chloride | A quaternary ammonium salt with choline cation and chloride anion. | choline chloride |
| clomipramine | A quaternary ammonium salt that is the tetrakis(N,N,N-trimethylmethammonium) salt of 5-({[4-(13-{4-[({3-carboxy-4-[(2,7-dichloro-6-hydroxy-3-oxo-3H-xanthen-9-yl)methyl]phenyl}carbonyl)amino]-2,5-bis(methyloxy)phenyl}-1,4,10-trioxa-7,13-diazacyclopentadecan-7-yl)-2-hydroxy-5-(methyloxy)phenyl]amino}carbonyl)-2-(2,7-dichloro-6-hydroxy-3-oxo-3H-xanthen-9-yl)benzoic acid. | sodium green |
| decamethoxine | | decamethoxine |
| didecyldimethylammonium | | Didecyldimethylammonium |
| dimethyldodecylbenzylammonium | The organic bromide salt of benzododecinium. It is a cationic surfactant that has antispetic and disinfectant properties. | benzododecinium bromide |
| dimethylphenylpiperazinium iodide | | 1,1-dimethyl-4-phenylpiperazinium iodide |
| dioctyldimethyl ammonium chloride | | Dioctyldimethylammonium chloride |
| diphemanil methylsulfate | The alkene resulting from the formal Wittig olefination of benzophenone and 1,1-dimethyl-4-bromopiperidinium methylsulfate. A quaternary ammonium anticholinergic, it binds muscarinic acetycholine receptors and thereby decreases secretory excretion of stomach acids, saliva and sweat, It is used topically in the treatment of hyperhidorsis (excessive sweating). | diphemanil methylsulfate |
| diponium bromide | | Diponium bromide |
| dodecyltrimethylammonium bromide | A quarternary ammonium cation having one dodecyl and three methyl substituents around the central nitrogen. | dodecyltrimethylammonium bromide |
| echothiophate iodide | The iodide salt of ecothiopate. An irreversible acetylcholinesterase inhibitor, it is used an ocular antihypertensive in the treatment of open-angle glaucoma, particularly when other drugs have proved inadequate. | ecothiopate iodide |
| edrophonium chloride | The chloride salt of edrophonium. A reversible inhibitor of cholinesterase with a rapid onset (30-60 seconds after injection) but a short duration of action (5-15 minutes), it is used in myasthenia gravis both diagnostically and to distinguish between under- or over-treatment with other anticholinesterases. It has also been used for the reversal of neuromuscular blockade in anaesthesia, and for the management of poisoning due to tetrodotoxin, a neuromuscular blocking toxin found in puffer fish and other marine animals. | edrophonium chloride |
| fm1 43 | | FM 1-43 dye |
| glycopyrrolate | A quaternary ammonium salt composed of 3-{[cyclopentyl(hydroxy)phenylacetyl]oxy}-1,1-dimethylpyrrolidin-1-ium and bromide ions in a 1:1 ratio. | glycopyrronium bromide |
| hexafluorenium | | hexafluronium |
| hexamethonium | | Hexamethonium |
| methacholine chloride | | methacholine chloride |
| octotropine methylbromide | A quaternary ammonium salt resulting from the reaction of the amino group of anisotropine with methyl bromide. | anisotropine methylbromide |
| propyromazine | An organic bromide salt of propyromazine. It is a muscarinic antagonist which has antispasmodic potential. | propyromazine bromide |
| rocuronium bromide | The organic bromide salt of a 5alpha androstane compound having 3alpha-hydroxy-, 17beta-acetoxy-, 2beta-morpholino- and 16beta-N-allyllyrrolidinium substituents. | rocuronium bromide |
| tetraethylammonium chloride | A quarternary ammonium chloride salt in which the cation has four ethyl substituents around the central nitrogen. | tetraethylammonium chloride |
| tiquizium bromide | A organic bromide salt of tiquizium. It is an antispasmodic drug used for the treatment of convulsion and hypermobility in gastritis, gastric ulcer, duodenal ulcer, enteritis, irritable bowel syndrome, gallbladder disease, biliary tract disease and urolithiasis. | tiquizium bromide |
| vecuronium bromide | The organic bromide salt of a 5alpha-androstane compound having 3alpha-acetoxy-, 17beta-acetoxy-, 2beta-piperidinino- and 16beta-N-methylpiperidinium substituents. | vecuronium bromide |
| yo-pro 1 | An unsymmetrical C1 cyanine dye having 1,3-benzoxazol-2-yl and quinolinium-4-yl substituents. | Yo-Pro-1 |