Pyridyl-pyridazinone and pyridyl-pyrazolinone compounds and their use in the treatment of congestive heart failure
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United States of America Patent
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Nov 8, 1988
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N/A
app pub date -
Oct 23, 1985
filing date -
Oct 23, 1985
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Expired
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Abstract
Compounds of the formula ##STR1## wherein: Het is imidazol-1-yl or 1,2,4-triazol-1-yl; py is 2-, 3-, or 4-pyridyl; R and R.sub.2 are H or alkyl; R.sub.1 is H, alkyl or vicinal R.sub.1 groups from a C--C double bond; and x is 0 or 1; or a pharmaceutically acceptable salt thereof, and pharmaceutical compositions including the same for cardiotonic uses and methods of treating congestive heart failure.
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