| abstract |
The present invention relates to piperidine derivatives of formula (I), wherein Ar 1 , Ar 2 , R Ar1 , R 1 , R 2 and R 3 are as described in the specification, their preparation, they Pharmaceutically acceptable salts thereof and their use as medicaments, pharmaceutical compositions containing one or more compounds of formula (I), and in particular their use as CXCR7 receptor modulators. [Chemical 1] [Selection figure] None |