The invention concerns a compound of the Formula (I), wherein Qa is heteroaryl and is substituted with halogeno; R1 and R2 are each hydrogen; and Qb is phenyl or heteroaryl, and Qb may optionally bear 1 or 2 substituents selected from hydroxy, halogeno and (1-6C)alkyl, or a pharmaceutically-acceptable salt thereof; processes for their preparation, pharmaceutical compositions containing them and their use in the treatment of diseases or medical conditions mediated by cytokines.
本发明涉及一种式(I)的化合物,其中Qa是杂环芳基且被卤素取代;R1和R2均为
氢;Qb是
苯基或杂环芳基,Qb可以选择性地带有1或2个取代基,所选取代基来自羟基、卤素和(1-6C)烷基,或其药学上可接受的盐;制备它们的方法,含有它们的制药组合物以及它们在治疗因细胞因子介导的疾病或医疗情况中的用途。