Dihydropyridazinone derivatives, a process for their preparation and pharmaceutical preparations containing these compounds
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United States of America Patent
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May 1, 1990
Grant Date -
N/A
app pub date -
Apr 1, 1988
filing date -
Aug 26, 1987
priority date (Note) -
Expired
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Abstract
New dihydropryidazinone derivatives corresponding to the following formula ##STR1## and a process for their preparation and pharmaceutical preparations containing these compounds are described. These compounds are effective positively inotropic substances with an improved therapeutic profile.
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