The invention provides compounds of general formula (I) wherein Q, R, R
2
, R
4
, R
5
, R
6
, R
7
and R
8
are as defined in the specification, processes for their preparation, pharmaceutical compositions containing them and their use in therapy
The invention provides compounds of general formula (I) wherein Q, R, R?2, R4, R5, R6, R7 and R8¿ are as defined in the specification, processes for their preparation, pharmaceutical compositions containing them and their use in therapy.