Disclosed are compounds of formula I:
wherein R
1
, R
2
, R
3
and X are as defined herein, in free or salt form, which are useful as CCR5 inhibitors, e.g. in the prevention or treatment of disorders mediated by interactions between chemokine receptors and their ligands.
                            揭示了式I的化合物:其中R1、R2、R3和X如此定义,以自由或盐形式存在,它们可用作CCR5
抑制剂,例如在预防或治疗由
趋化因子受体与其
配体之间相互作用介导的疾病中。