Cyclic urea derivatives, pharmaceutical compositions containing these compounds and processes for preparing them
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United States of America Patent
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Mar 9, 1999
Issued Date -
N/A
app pub date -
May 28, 1997
filing date -
Sep 11, 1992
priority date (Note) -
Expired
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Abstract
The invention relates to cyclic urea derivatives of general formula I ##STR1## wherein R.sub.a, R.sub.b, X and Y are defined as in claim 1, the tautomers, stereoisomers and salts thereof, particularly the physiologically acceptable salts thereof with inorganic or organic acids or bases, which have valuable pharmacological properties, preferably aggregation inhibiting effects, and to drugs containing the compounds and processes for preparing them.
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