Pyridine derivatives and pharmaceutical compositions containing them
申请人:AstraZeneca UK Limited
公开号:US06143751A1
公开(公告)日:2000-11-07
Compounds of the formula (I) wherein X, R.sup.1, R.sup.2, and Ar.sup.1 as defined in the specification. The compounds are useful medicaments, particularly in the treatment of asthma or rhinitis.