Peptide derivatives
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United States of America Patent
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Oct 8, 1991
Issued Date -
N/A
app pub date -
Mar 13, 1990
filing date -
Jan 22, 1985
priority date (Note) -
Expired
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Abstract
The invention concerns pharmaceutically useful trifluoromethyl ketone substituted di-, tri- and tetra-peptide derivatives of the formulae Ia, Ib, Ic set out hereinafter, and salts thereof, which are inhibitors of human leukocyte elastase. Also described herein are pharmaceutical compositions containing a peptide derivative and processes and intermediates for use in the manufacture of the peptide derivatives.
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