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          Methenamine
          Product name: Methenamine
          CAS NO: 100-97-0
          Molecular weight: 140.18808 
          EC NO: 202-905-8
          Molecular formula: C6H12N4
          InChI: InChI=1/C6H12N4/c1-7-2-9-4-8(1)5-10(3-7)6-9/h1-6H2/p+4
          Structural formula:
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