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    1. 2-吡咯烷酮

      xuanming pharmaceutical technology

      產品名稱: 2-吡咯烷酮
      產品類別: 醫藥農藥中間體
      英文名稱: 2-Pyrrolidinone
      CAS NO.: 616-45-5
      分子式:

      C4H7NO

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