Benzopyran derivatives substituted with a thioxobenzoxazole derivative, pharmaceutically acceptable salts thereof, their preparations and pharmaceutical compositions containing them
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United States of America Patent
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Sep 2, 2008
Grant Date -
Apr 26, 2007
app pub date -
May 28, 2004
filing date -
May 28, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to benzopyran derivatives substituted with a thioxobenzoxazole derivative, or pharmaceutically acceptable salts thereof, processes for preparing the same and a pharmaceutical composition containing the above as an effective ingredient Benzopyran derivatives substituted with thioxobenzoxazole derivatives, represented in
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