4-quinolone derivatives having anti-inflammatory, anti-allergic, antitussive, expectorant and antithrombotic activity

摘要

4-Quinolone derivatives of the present invention are useful for their anti-inflammatory, anti-allergenic, antitussive, expectorant and antithrombotic activity. Pharmaceutical compositions containing said compounds and pharmaceutically acceptable salts thereof and methods of treating humans and animals are described herein.