| abstract |
Compounds of formula (I) wherein R 1 , R 2 , R 3 , A and n are as defined; and X is S(O) 2 NR 4 R 5 or NR 6 S(O) 2 R 7 ; compositions comprising them, processes for preparing them and their use in medical therapy (for example modulating CCR5 receptor activity in a warm blooded animal). |