Trimethyl ammonium compounds
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![](http://upload.wikimedia.org/wikipedia/commons/thumb/2/2e/Bethanechol_structure.png/220px-Bethanechol_structure.png)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/e/e3/Muscarine.svg/220px-Muscarine.svg.png)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/8/8d/Carnitine_structure.png/220px-Carnitine_structure.png)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/2/21/Trimethylglycine.png/220px-Trimethylglycine.png)
Trimethyl ammonium compounds are a type of quaternary ammonium compound with three methyl groups at the nitrogen, with a more complicated carbon chain derivative at the fourth position.
Examples include:
- Betaine
- Bethanechol
- Carnitine and its derivatives
- Choline and its derivatives
- Methacholine
- Muscarine
- Trimethylglycine
- Benzyltrimethylammonium
External links
- Trimethyl+ammonium+compounds at the U.S. National Library of Medicine Medical Subject Headings (MeSH)