| abstract |
The present invention relates to a compound of formula I wherein m is 0-2 and each R 1 is a group such as hydroxy, halogeno, trifluoromethyl, heterocyclyl and heterocyclyloxy; R 2 is halo, trifluoromethyl or (1-6C) alkyl; R 3 is hydrogen, halo or (1-6C) alkyl; and R4 is (3-6C) cycloalkyl; or pharmaceutically acceptable salts thereof; processes for their preparation, pharmaceutical compositions containing them and their use in the treatment of diseases or medical conditions mediated by cytokines. |