🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsTiếng ViệtРусскийالعربيةفارسی한국어中文日本語EntityQ898764· pop 24· linked from 166 articlesmethineAlso known as methyne, methine groupfunctional group derived from methane by removing three hydrogen atomsAvailable in 23 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةBosnianCzechConnectionsthioesterEntityhydrogenEntityCategoriesFunctional groupsSubstituents