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Pyrrolidinone derivatives
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Patent number 5,969,138
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Issue date Oct 19, 1999
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Mitsui Chemicals, Inc.
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Naruyoshi Mita
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Pyrrolidinone derivatives
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Patent number 5,538,985
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Issue date Jul 23, 1996
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Mitsui Toatsu Chemicals, Inc.
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Hajime Iizuka
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C07 - ORGANIC CHEMISTRY
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2,6-di,2,4,6-, 2,5,6-tri and 2,4,5,6-tetra-substituted pyrimidines,...
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Patent number 5,147,876
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Issue date Sep 15, 1992
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Mitsui Petrochemical Industries, Ltd.
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Akira Mizuchi
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C07 - ORGANIC CHEMISTRY
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