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Pyrroles and pyrrolidines
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Patent number 4,316,847
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Issue date Feb 23, 1982
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Hoffmann-La Roche Inc.
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Andrew D. Batcho
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Novel syntheses of tryptophans
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Patent number 4,256,641
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Issue date Mar 17, 1981
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Hoffmann-La Roche Inc.
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Andrew D. Batcho
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Methylation of de-A steroids
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Patent number 4,087,436
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Issue date May 2, 1978
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Hoffmann-La Roche, Inc.
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Paul Buchschacher
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C07 - ORGANIC CHEMISTRY
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Synthesis of tryptophans
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Patent number 4,073,795
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Issue date Feb 14, 1978
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Hoffmann-La Roche Inc.
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Andrew David Batcho
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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