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          Carbapenem antibiotics

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          English name: B-CHETO
          Chemical name: [5R-(5α,6α(R*))]-6-(1-hydroxyethyl)-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid (4-nitrophenyl)methyl ester
          Category involved: Intermediates
          Structural type:
          CAS#: 74288-40-7
          Molecular formula: C16H16N2O7
          Molecular weight: 348.31
          Quality standard: Comply with the standards of CA
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