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Boehringer Ingelheim KG
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C07 - ORGANIC CHEMISTRY
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Boehringer Ingelheim KG
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C07 - ORGANIC CHEMISTRY
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Herbicidal hydantoins
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Issue date Jul 31, 1990
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Shell Internationale Research Maatschappij B.V.
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C07 - ORGANIC CHEMISTRY
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Thieno-1,4-diazepines
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Patent number 4,900,729
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Issue date Feb 13, 1990
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Boehringer Ingelheim KG
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C07 - ORGANIC CHEMISTRY
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Celamerck GmbH & Co. KG
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