Benzo?G!quinolines for use in prevention or delay of progressive atrophy of the optic nerve
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United States of America Patent
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Sep 21, 1999
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N/A
app pub date -
Jun 6, 1995
filing date -
Dec 21, 1993
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Expired
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Abstract
Compounds of formula I ##STR1## wherein A, B, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are as defined in the description, are useful for the treatment of conditions where prevention or delay of progressive atrophy of the optic nerve is desirable.
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