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"Pyrethrins" 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.

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The active insecticidal constituent of CHRYSANTHEMUM CINERARIIFOLIUM flowers. Pyrethrin I is the pyretholone ester of chrysanthemummonocarboxylic acid and pyrethrin II is the pyretholone ester of chrysanthemumdicarboxylic acid monomethyl ester.

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This graph shows the total number of publications written about "Pyrethrins" by people in this website by year, and whether "Pyrethrins" was a major or minor topic of these publications.
Bar chart showing 589 publications over 33 distinct years, with a maximum of 47 publications in 2012
To see the data from this visualization as text, click here.