Substituted-4-amino-3-pyridinols
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United States of America Patent
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Feb 2, 1999
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N/A
app pub date -
Jun 2, 1998
filing date -
Sep 27, 1990
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Expired
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Abstract
There are disclosed various substituted 4-amino-3-pyridinol compounds of the formula below, ##STR1## where R.sub.1, R.sub.2 and R.sub.3 are as defined in the specification, which are useful for alleviating various memory dysfunctions characterized by a cholinergic deficit such as Alzheimer's disease.
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