QUINUCLIDINE DERIVATIVES AS MUSCARINIC M3 RECEPTOR ANTAGONISTS

摘要

The invention provides named compounds of formula (I), wherein R4 is a N- sustituted quinuclidine (I) pharmaceutical compositions containing them and a process for preparing the pharmaceutical compositions. Their use in therapy for' the treatment of conditions mediated by M3 muscarinic receptors, such as chronic obstructive pulmonary disease is also disclosed.