Imidazolylphenyl and 1,2,4-triazolylphenyl benzopyridazinone and

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...

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514252, 544236, 544237, 546315, 546322, 546116, 546278, 548341, C07D40114, C07D40310, A61K 3150

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active

048065358

ABSTRACT:
This invention relates to imidazolylphenyl and 1,2,4-triazolylphenyl benzopyridazinone and pyridopyridazinone compounds of the formula ##STR1## wherein A is CH or N and not more than one of W, X, Y and Z is a N atom which possess valuable pharmaceutical preparations, e.g., increasing cardiotonic contractility. Uses of said compounds including methods for increasing cardiac contractility and in the treatment of congestive heart failure, pharmaceutical compositions including the same and methods for the preparation thereof.

REFERENCES:
patent: 4289774 (1981-09-01), Schracht et al.
patent: 4710496 (1987-12-01), Geiss et al.
patent: 4734415 (1988-03-01), Sircar et al.

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