DI-SUBSTITUTED OXADIAZOLES AS CXC-CHEMOKINE RECEPTOR LIGANDS

摘要

Disclosed are compounds of the formula (1). and the pharmaceutically acceptable salts thereof. X is N or N⁺O^-, and Y is N or N⁺O^-, provided that at least X or Y is N. The compounds are useful for the treatment of chemokine-mediated diseases such as COPD.