1,4-disubstituted piperazines useful in the therapy of the asthma and of the inflammation of the respiratory tract
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United States of America Patent
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Mar 4, 1997
Grant Date -
N/A
app pub date -
Mar 28, 1995
filing date -
Sep 30, 1992
priority date (Note) -
Expired
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Abstract
Compounds of formula (I): ##STR1## wherein Ra, Rb, B and D have the meanings reported in the disclosure, processes for making the same, and methods of using the same in the treatment of asthma and/or inflammation of the respiratory tract are disclosed.
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