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Pyridazinone derivatives
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Patent number 4,639,451
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Issue date Jan 27, 1987
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Mitsui Toatsu Kagaku Kabushiki Kaisha
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Tsutomu Katakami
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C07 - ORGANIC CHEMISTRY
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Benzothiazine derivative
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Patent number 4,376,119
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Issue date Mar 8, 1983
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Mitsui Toatsu Chemicals, Inc.
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Shoichiro Ozaki
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C07 - ORGANIC CHEMISTRY
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Cephalosporins
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Patent number 4,296,112
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Issue date Oct 20, 1981
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Mitsui Toatsu Chemicals, Inc.
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Akira Matsubara
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C07 - ORGANIC CHEMISTRY
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Cephalosporins
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Patent number 4,283,398
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Issue date Aug 11, 1981
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Mitsui Toatsu Chemicals, Inc.
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Akira Matsubara
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C07 - ORGANIC CHEMISTRY
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