Usage History of 'catechols'

The following chart shows how frequently 'catechols' appeared in printed materials over time. For example, the word 'catechols' occurred 2 times in books in 1759 and 687 times in 2008. From 1759 to 2008, the word 'catechols' was used a total of 26,812 times in books scanned by Google. See Reference: Google Ngram project.

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