abstract |
The present invention is directed to compounds of formula (I) (wherein R<1>, R<3>, R<4>, R<5>, R<6>, R<7>, R<8>, X, n, x and y are defined herein) which are useful as modulators of chemokine receptor activity. In particular, these compounds are useful as modulators of the chemokine receptors CCR-5 and/or CCR-3. |