Piperidine derivatives as ccr5 receptor modulators

摘要

Compounds of formula (I) wherein R¹, R², R³, A and n are as defined; and X is S(O)₂NR⁴R⁵ or NR⁶S(O)₂R⁷; compositions comprising them, processes for preparing them and their use in medical therapy (for example modulating CCR5 receptor activity in a warm blooded animal).