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                  Pure Benzene
                  Product name: Benzene
                  CAS NO: 71-43-2;174973-66-1;54682-86-9
                  Molecular weight: 78.11 
                  EC NO: 200-753-7
                  Molecular formula: C6H6
                  InChI: InChI=1/C6H6/c1-2-4-6-5-3-1/h1-6H
                  Structural formula:
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