Method and pharmaceutical preparation for treating chronic obstructive airway disease and cardiac disease, and intermediates for the preparation of therapeutically active xanthine derivatives
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United States of America Patent
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Feb 14, 1989
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N/A
app pub date -
Jun 12, 1981
filing date -
Oct 20, 1978
priority date (Note) -
Expired
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Abstract
A method for the treatment of chronic obstructive airway disease or cardiac disease, characterized by the administration of a compound of the formula ##STR1## wherein R is n-propyl, n-butyl or isobutyl or a therapeutically acceptable salt thereof.
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