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TAKE THE QUIZtetramethylammonium
noun
tet·ra·meth·yl·am·mo·ni·um
ˌte-trə-ˌmeth-əl-ə-ˈmō-nē- əm 
: the quaternary ammonium ion (CH3)4N+ containing four methyl groups
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“Tetramethylammonium.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/tetramethylammonium. Accessed 21 Mar. 2023.
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