🌐EnglishEnglishBahasa IndonesiaPortuguêsTiếng ViệtTürkçeРусскийالعربيةفارسی中文EntityQ6872115· pop 21Template:Chemist-stubWikimedia templateWikidata factsImageAdolf von Baeyer CIPB0531 (cropped).jpgvia Wikidata · CC0Available in 21 languages中文РусскийPortuguêsالعربيةArmenianAzerbaijaniBahasa IndonesiaChuvashGreekCategoriesChemistry stub templatesStub message templates