R(+)-terazosin
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United States of America Patent
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May 18, 1993
Grant Date -
N/A
app pub date -
Jun 29, 1990
filing date -
Jun 29, 1990
priority date (Note) -
Expired
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Abstract
R(+)-2-[4-[(tetrahydro-2-furanyl)carbonyl]-1-piperazinyl]-6,7-dimethoxy-4-quinazolinamine hydrochloride or a pharmaceutically acceptable salt or hydratet hereof (terazosin), substantially free of the S(-)-enantiomer.
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