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Cephalosporin antibiotics
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Patent number 4,342,869
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Issue date Aug 3, 1982
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Merck & Co., Inc.
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Burton G. Christensen
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C07 - ORGANIC CHEMISTRY
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Cephalosporin antibiotics
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Patent number 4,338,438
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Issue date Jul 6, 1982
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Merck & Co., Inc.
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Burton G. Christensen
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C07 - ORGANIC CHEMISTRY
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Cephalosporin antibiotics
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Patent number 4,338,437
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Issue date Jul 6, 1982
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Merck & Co., Inc.
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Burton G. Christensen
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C07 - ORGANIC CHEMISTRY
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Cephalosporin intermediates
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Patent number 4,324,890
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Issue date Apr 13, 1982
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Merck & Co., Inc.
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Burton G. Christensen
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C07 - ORGANIC CHEMISTRY
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