Phosphodiesterase inhibitors having an optionally substituted purine derivative portion and a benzo- or cyclopenta-furan portion
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United States of America Patent
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Nov 20, 1990
Grant Date -
N/A
app pub date -
Mar 23, 1989
filing date -
Mar 23, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Antihypertensive phosphodiesterase inhibitors having an optionally substituted purine derivative portion and a benzo- or cyclopenta-furan derivative portion are disclosed.
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