6-(polyfluoroalkoxyphenyl) pyridazinones, their compositions, synthesis and use
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United States of America Patent
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May 12, 1987
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N/A
app pub date -
May 7, 1985
filing date -
May 10, 1984
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Expired
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Abstract
6-aryl-3[2H]pyridazinones of formula I ##STR1## in which one of the substituents R1 and R2 denotes hydrogen or (C1-C4)-alkoxy, and the other denotes polyfluoro-(C1-C4)-alkoxy, and their pharmacologically-tolerated salts are suitable as bronchospasmolytic and cardiotonic active compounds. Processes for their preparation and appropriate medicaments are indicated.
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