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SmithKline Beecham p.l.c.
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Wai Ngor Chan
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C07 - ORGANIC CHEMISTRY
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Benzopyran intermediates
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Beecham Group p.l.c.
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John M. Evans
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C07 - ORGANIC CHEMISTRY
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Epoxybenzopyrans
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Patent number 5,075,460
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Issue date Dec 24, 1991
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Beecham Group p.l.c.
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John M. Evans
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C07 - ORGANIC CHEMISTRY
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Pharmaceutical preparations
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Issue date Jul 16, 1991
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Beecham Group p.l.c.
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John M. Evans
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Active compounds
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Patent number 4,943,582
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Issue date Jul 24, 1990
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Beecham Group p.l.c.
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John M. Evans
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C07 - ORGANIC CHEMISTRY
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Active compounds
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Patent number 4,904,784
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Issue date Feb 27, 1990
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Beecham Group p.l.c.
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John M. Evans
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C07 - ORGANIC CHEMISTRY
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Di/tetra-hydroquinolines
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Patent number 4,808,619
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Issue date Feb 28, 1989
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Beecham Group p.l.c.
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John M. Evans
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Patent number 4,758,677
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Issue date Jul 19, 1988
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Beecham Group p.l.c.
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John M. Evans
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C07 - ORGANIC CHEMISTRY
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Chromanol derivatives
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Patent number 4,687,779
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Issue date Aug 18, 1987
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Beecham Group p.l.c.
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John M. Evans
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C07 - ORGANIC CHEMISTRY
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Chroman-3-ol compounds
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Patent number 4,644,070
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Issue date Feb 17, 1987
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Beecham Group p.l.c.
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John M. Evans
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C07 - ORGANIC CHEMISTRY
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Chroman derivatives
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Issue date Oct 7, 1986
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Beecham Group p.l.c.
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Valerie A. Ashwood
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