Aryl thioxanthines
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
May 23, 2000
Issued Date -
N/A
app pub date -
Jun 11, 1997
filing date -
Dec 13, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to novel compounds of the formula (I): ##STR1## wherein Q.sub.3 R.sub.3 and Q.sub.8 R.sub.8 are described herein. The compounds possess PDE-IV inhibitory activity and improved selectivity with regard to PDE-III inhibition. Also disclosed are pharmaceutical compositions and methods of treatment utilizing the disclosed compounds.
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