🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng Việtالعربية中文日本語EntityQ2930572· pop 8C15H11I4NO4The molecular formula C15H11I4NO4 may refer to:ArticleThe molecular formula C15H11I4NO4 may refer to: Dextrothyroxine Levothyroxine, or L-thyroxine Thyroxine (or T4)Category:Molecular formulasAvailable in 8 languagesFrançais中文ItalianoالعربيةSerbianSerbian (Latin)Slovakvia Wikidata sitelinks · CC0Connectionschemical formulaEntityisomerEntityCategoriesMolecular formulas