Antitussive and central sedative composition of d-isomer of 3-(4-phenyl-1-piperazinyl)-1,2-propanediol
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United States of America Patent
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Aug 16, 1988
Issued Date -
N/A
app pub date -
Jul 2, 1987
filing date -
Dec 29, 1983
priority date (Note) -
Expired
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Abstract
The optical isomers of 3-(4-phenyl-1-piperazinyl)-1,2-propanediol, a process for the stereo-selective preparation and pharmaceutical composition containing the same as active principles are described.
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