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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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           | Description | 
           
            
             - Description: Chemical structure of  en:CS gas.
 
             - Author, date of creation: selfmade by  en:en:User:Rune.welsh,  en:February 27, 2006
 
             - Source: -
 
             - Copyright: Released to the Public Domain
 
             - Comments: high-resolution b/w PNG; ChemDraw / Irfanview.
 
             
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           | Date | 
           2004-09-12 (first version); 2006-04-11 (last version) | 
          
          
           | Source | 
           Originally from  en.wikipedia; description page is/was  here. | 
          
          
           | Author | 
           Original uploader was  Mykhal at  en.wikipedia Later versions were uploaded by  Rune.welsh,  Drat at  en.wikipedia. | 
          
          
           Permission ( Reusing this file) | 
           
             Released into the public domain (by the author). 
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         Licensing 
        
         
          | Public domainPublic domainfalsefalse | 
         
        
        
         
              | 
          This work has been released into the  public domain by its author,  Mykhal at the  wikipedia project. This applies worldwide.
 In case this is not legally possible:  Mykhal grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. 
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       File usage
       
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