| abstract |
Substituted xanthine derivatives The present invention relates to novel compounds which are substituted xanthine derivatives and pharmaceutically acceptable salts thereof. for example, this invention relates to novel substituted xanthine derivatives which are pentoxifylline derivatives. This invention also provides compositions comprising one or more compounds of this invention and a carrier and the use of the disclosed compounds and compositions in methods of treating diseases and conditions for which pentoxifylline and related compounds are beneficial. |