🌐EnglishEnglishDeutschFrançais中文日本語EntityQ145970· pop 5· linked from 2 articlesradical clockchemical compoundAvailable in 5 languagesFrançaisDeutsch中文日本語via Wikidata sitelinks · CC0ConnectionsmolecularityEntitychemistryEntityCategoriesChemical kineticsFree radicals