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Cephalosporin derivatives
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Patent number 5,232,918
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Issue date Aug 3, 1993
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Imperial Chemical Industries PLC
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Jean C. Arnould
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C07 - ORGANIC CHEMISTRY
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Cephalosporin compounds
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Patent number 5,019,570
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Issue date May 28, 1991
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Imperial Chemical Industries PLC
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Jean C. Arnould
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C07 - ORGANIC CHEMISTRY
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Cephalosporin derivatives
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Patent number 5,008,258
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Issue date Apr 16, 1991
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I.C.I.-Pharma
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Thomas G. C. Bird
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C07 - ORGANIC CHEMISTRY
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Cephalosporin compounds
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Patent number 5,008,259
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Issue date Apr 16, 1991
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Imperial Chemical Industries PLC
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Patrice J. Siret
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C07 - ORGANIC CHEMISTRY