Chromene derivatives and salts thereof, and pharmaceuticals containing the same
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United States of America Patent
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Sep 26, 2000
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N/A
app pub date -
Sep 29, 1998
filing date -
Sep 30, 1997
priority date (Note) -
Expired
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Abstract
Disclosed are chromene derivatives represented by the following formula: ##STR1## wherein R.sup.1 s represent alkyl, alkoxy or like groups, R.sup.2 represents a hydrogen atom or an alkyl group, R.sup.3 represents a substituted or unsubstituted phenyl, naphthyl or heterocyclic group, and m stands for an integer of from 0 to 4, and their salts; and pharmaceuticals containing them as effective ingredients. The chromene derivatives and their salts show excellent AGE formation inhibitory action and are useful as preventives and therapeutics for diabetic complications.
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