Galanthamine derivatives as acetylcholinesterase inhibitors
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United States of America Patent
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Jul 7, 1998
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N/A
app pub date -
May 22, 1995
filing date -
Oct 15, 1993
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Expired
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Abstract
This application relates to compounds of the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are defined within, which compounds are useful for the treatment of memory dysfunction characterized by decreased cholinergic function, pharmaceutical compositions containing the compounds and methods for making and using the compounds.
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