abstract |
The present invention relates to a compound of formula (I) wherein Q a is heteroaryl and substituted with halogeno; R 1 and R 2 are each hydrogen; and Q b is phenyl or heteroaryl and Q b Containing one or two substituents selected from hydroxy, halogeno and (1-6C) alkyl, optionally, a pharmaceutically acceptable salt thereof; a process for its preparation; containing them Pharmaceutical compositions; and their use in the treatment of diseases or medical conditions mediated by cytokines. |