| 摘要 |
<p>Disclosed are pharmaceutical compositions comprising 4-hydroxy-2-quinolinone-3-carboxylic acids and their salts, and certain novel compounds of this class, for example 1-allyl-6,7-dimethoxy-4-hydroxy-2-quinolinone-3-carboxylic acid, of formula The compounds are useful in the prophylactic treatment of allergic asthma.</p> |
