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Quaternary Ammonium Compounds

"Quaternary Ammonium Compounds" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

Derivatives of ammonium compounds, NH4+ Y-, in which all four of the hydrogens bonded to nitrogen have been replaced with hydrocarbyl groups. These are distinguished from IMINES which are RN=CR2.


This graph shows the total number of publications written about "Quaternary Ammonium Compounds" by people in Harvard Catalyst Profiles by year, and whether "Quaternary Ammonium Compounds" was a major or minor topic of these publication.
Bar chart showing 145 publications over 30 distinct years, with a maximum of 11 publications in 2017
To see the data from this visualization as text, click here.
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Funded by the NIH National Center for Advancing Translational Sciences through its Clinical and Translational Science Awards Program, grant number UL1TR002541.