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    2. 利群化工

      liqun chemical

      PRODUCTS

      liqun chemical

      Pyrazole

      CAS NO. 288-13-1
      Molecular formula C3H4N2
      Molecular weight 68.0773
      Structural formula
      EC NO 206-017-1
      InChI InChI=1/C3H4N2/c1-2-4-5-3-1/h1-3H,(H,4,5)

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