Compositions containing and methods employing, as the essential ingredient, novel substituted xanthone carboxylic acid compounds which are useful in the treatment of allergic conditions. Methods for preparing these compounds and compositions and intermediates therein are also disclosed. 6-Acetylxanthone-2-carboxylic acid is illustrated as a representative compound.
This application relates to a compound of formula I (or a prodrug thereof or a pharmaceutically acceptable salt of the compound or prodrug thereof) as defined herein, pharmaceutical compositions thereof, and its use as an inhibitor of factor Xa and/or thrombin, as well as a process for its preparation and intermediates therefor.