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          English name: Tiopronin
          Chemical name: N-(2-Mercapto-1-oxopropyl)glycine
          Category involved: bulk pharmaceutical chemicals
          Structural type:
          CAS#: 1953-02-2
          Molecular formula: C5H9NO.3S
          Molecular weight: 163.19
          Quality standard: Comply with the standards of Merck
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