Triazolo[1,5-c]pyrimido[1,4]azines as bronchodilators
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United States of America Patent
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Jan 1, 1991
Issued Date -
N/A
app pub date -
Jan 17, 1989
filing date -
Feb 5, 1988
priority date (Note) -
Expired
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Abstract
Substituted 1,2,4-triazolo[1,5-c]pyrimido[1,4]-azines have been found to have potent bronchodilator activity. Also, pharmacological methods for inducing bronchodilation using such compounds, pharmaceutical compositions containing such compounds, and synthetic intermediates, including 1,2,4-triazolo[4,3-c]-pyrimido[1,4]azines, for preparing such compounds.
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