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            This is a file from the  Wikimedia Commons. Information from its  description page there is shown below.  Commons is a freely licensed media file repository.  You can help. 
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          This file has been superseded by  File:Heme b.svg. It is recommended to use the other file. Please note that deleting superseded images  requires consent. 
           
            
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        Deutsch: Hämgruppe
        English: Hemegroup
        Esperanto: Hemo
        Español: Hemo
        Français : Hème
        Ido: Hemeo
        日本語: ヘム
        Polski: Hem)
        Slovenščina: Hem
        Svenska: Hemgrupp
        Türkçe: Hem
        Русский: Гем
         Licensing 
        de: Erstellt von  User:Lennert B mit ChemDraw Ultra 7.0 und Adobe Illustrator 10. Ich gebe hiermit alle Rechte ab.
en: Created by  User:Lennert B using ChemDraw Ultra 7.0 and Adobe Illustrator 10. I hereby release all rights into public domain.
        This file contains vectorized glyphs from the Computer Modern fonts by the American Mathematical Society. These fonts are copyrighted, however they may be used freely, provided that any changes from the original files are published under a different name ( http://www.ams.org/tex/type1-fonts.html).
        
         
          | Public domainPublic domainfalsefalse | 
         
        
        
         
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          This work has been released into the  public domain by its author,  Lennert B. This applies worldwide. In some countries this may not be legally possible; if so:  Lennert B grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.Public domainPublic domainfalsefalse 
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      You can learn about nearly 6,000 different topics on Schools Wikipedia. SOS Children's Villages is an international children's charity, providing a good home and loving family to thousands of children who have lost their parents. We also work with communities to help vulnerable families stay together and raise children in the best possible environment. Go to http://www.soschildrensvillages.org.uk/sponsor-a-child to sponsor a child.