Chemical compounds

摘要

The invention provides a compound of formula (I): [Chemical formula should be inserted here. Please see paper copy.] wherein R₁, R₂, R₃, R_3a, R₄, R_4a, R₅, and R₆ are as defined; or a pharmaceutically acceptable salt thereof or a solvate thereof; compositions containing these compounds, processes for preparing them and their use as modulators of chemokine activity (especially CCR5 activity).