Phamacologically active 5-carboxy-2-(5-tetrazolyl) pyridines
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United States of America Patent
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Feb 27, 1990
Grant Date -
N/A
app pub date -
Feb 10, 1988
filing date -
Feb 10, 1987
priority date (Note) -
Expired
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Abstract
Compounds of the formula I ##STR1## wherein the groups A, R.sub.1, R.sub.2 and R.sub.3 are as defined in the specification, exhibit valuable pharmacological properties, especially as antifibrotic agents. They are prepared by methods known per se.
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