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Cephalosporin compounds
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Patent number 4,393,058
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Issue date Jul 12, 1983
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Meiji Seika Kaisha, Ltd.
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Osamu Makabe
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C07 - ORGANIC CHEMISTRY
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Penicillin compounds
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Patent number 4,331,597
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Issue date May 25, 1982
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Meiji Seika Kaisha, Ltd.
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Osamu Makabe
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C07 - ORGANIC CHEMISTRY
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Cephalosporin derivatives
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Patent number 4,258,184
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Issue date Mar 24, 1981
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Meiji Seika Kaisha Ltd.
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Fumio Kai
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE