| 摘要 |
<p>Compounds of formula (I)
or stereoisomers or pharmaceutically acceptable salts thereof,
wherein W, R 1 , R 2 and R 3 have the meanings as indicated in the specification, are useful for treating conditions mediated by activation of the adenosine A 2A receptor, especially inflammatory or obstructive airways diseases. Pharmaceutical compositions that contain the compounds and a process for preparing the compounds are also described.</p> |
