Stabilized medicinal substances, a process for the preparation thereof, and stable medicinal formulations
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United States of America Patent
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Sep 29, 1992
Grant Date -
N/A
app pub date -
Nov 22, 1988
filing date -
Nov 24, 1987
priority date (Note) -
Expired
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Abstract
Stabilized compounds of the formula I ##STR1## in which R, R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 have the stated meanings, and a process for the preparation thereof, are described. The stabilized compounds are suitable for the manufacture of medicinal formulations.
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