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Avermectin derivatives
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Patent number 5,023,241
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Issue date Jun 11, 1991
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Merck & Co., Inc.
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Bruce O. Linn
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C07 - ORGANIC CHEMISTRY
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Avermectin derivatives
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Patent number 4,873,224
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Issue date Oct 10, 1989
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Merck & Co., Inc.
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Bruce O. Linn
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C07 - ORGANIC CHEMISTRY
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Pyromellitic diimide complexes
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Patent number 4,320,129
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Issue date Mar 16, 1982
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Merck & Co., Inc.
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Michael H. Fisher
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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