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 | 1,2,4,9-Tetrachlorodibenzofuran |  | 1,2,6,7-Tetrachlorodibenzofuran |  | 1,2,7,9-Tetrachlorodibenzofuran |  | 1,3,4,6-Tetrachlorodibenzofuran |  | 1,3,4,9-Tetrachlorodibenzofuran |  | 1,4,7,8-Tetrachlorodibenzofuran |  | 2,3,4,6-Tetrachlorodibenzofuran |  | 2,3,4,7-Tetrachlorodibenzofuran |  | 2,3,4,8-Tetrachlorodibenzofuran |  | 2,3,4,9-Tetrachlorodibenzofuran |  |  | 
      
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              | Chemical Name: | 1,2,3,9-Tetrachlorodibenzofuran |  
              | Synonyms: |  |  
              | CAS#: | 83704-23-8 |  
              | Molecular formula: | C12H4Cl4O |  
              | Molecular weight: | 305.9716 |  
              | Molecular Structure: |  |  |  |