6-aryl pyrazolo ?3,4-d! pyrimidin-4-ones and compositions and methods of use thereof
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United States of America Patent
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Sep 28, 1999
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N/A
app pub date -
Jan 30, 1998
filing date -
Mar 10, 1995
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Expired
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Abstract
6-Aryl pyrazolo?3,4-d!pyrimidin-4-one derivatives, pharmaceutical compositions containing them and methods for effecting c-GMP-phosphodiesterase inhibition and for treating heart failure and/or hypertension.
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