Muscarinic Acetylcholine receptor antagonists

摘要

Disclosed are compounds of formula I, wherein the substituents are as defined in the specification. The compounds are useful in the treatment of pharmaceutical composition for the treatment of muscarinic acetylcholine receptor mediated diseases including chronic obstructive lung disease, chronic bronchitis, asthma, chronic respiratory obstruction, pulmonary fibrosis, pulmonary emphysema and allergic rhinitis.