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Cephalosporin derivatives
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Patent number 4,937,332
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Issue date Jun 26, 1990
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Taisho Pharmaceutical Co., Ltd.
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Chihiro Yokoo
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C07 - ORGANIC CHEMISTRY
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Cephalosporin derivatives
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Patent number 4,921,953
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Issue date May 1, 1990
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Taisho Pharmaceutical Co., Ltd.
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Chihiro Yokoo
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C07 - ORGANIC CHEMISTRY
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Cephalosporin derivatives
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Patent number 4,841,044
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Issue date Jun 20, 1989
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Taisho Pharmaceutical Co., Ltd.
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Yoshiaki Watanabe
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C07 - ORGANIC CHEMISTRY
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Cephalosporin derivatives
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Patent number 4,812,562
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Issue date Mar 14, 1989
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Taisho Pharmaceutical Co., Ltd.
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Yoshiaki Watanabe
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C07 - ORGANIC CHEMISTRY
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Cephalosporin derivatives
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Patent number 4,699,981
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Issue date Oct 13, 1987
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Taisho Pharmaceutical Co., Ltd.
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Yoshiaki Watanabe
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C07 - ORGANIC CHEMISTRY
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Cephalosporin compounds
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Patent number 4,357,470
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Issue date Nov 2, 1982
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Taisho Pharmaceutical Co., Ltd.
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Yoshiaki Watanabe
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C07 - ORGANIC CHEMISTRY