Hypoxathine compounds
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United States of America Patent
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-
Oct 30, 2001
Grant Date -
N/A
app pub date -
Jan 26, 1999
filing date -
Jun 6, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Hypoxanthine compounds of the structure: ##STR1## are disclosed where R.sub.3 and R.sub.8 are as described herein. The compounds are useful as intermediates to compounds providing PDE IV inhibition activity.
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