Compounds of formula (I) wherein R
1
, R
2
R
3
, R
4
, Λ, X, m and n are as defined; compositions comprising them, processes for preparing them and their use in medical therapy them and their use in medical therapy (for example mod ulating CCR
5
receptor activity in a warm blooded animal).
化学式为(I)的化合物,其中R1,R2R3,R4,Λ,X,m和n的定义如下; 包含它们的组合物,制备它们的过程以及它们在医学治疗中的应用(例如在温血动物中调节CCR5受体活性)。