Compounds of formula (I): in which A, B, X, Ar1, R8 and R4 have any of the meanings given in the specification, are inhibitors of p38 useful in the treatment and prevention of various disorders mediated by p38.
Compounds of formula (I): in which A, B, X, Ar
1
, R
8
and R
4
have any of the meanings given in the specification, are inhibitors of p38 useful in the treatment and prevention of various disorders mediated by p38.