发明授权
US09216971B2 Quaternary ammonium compounds useful as muscarinic receptor antagonists 有权
可用作毒蕈碱受体拮抗剂的季铵化合物

Quaternary ammonium compounds useful as muscarinic receptor antagonists
摘要:
The invention provides compounds of the formula: in salt or zwitterionic form or a pharmaceutically acceptable salt thereof, wherein R1-6, a, Z and Q are as defined in the specification. These compounds are muscarinic receptor antagonists. The invention also provides pharmaceutical compositions containing such compounds, processes for preparing such compounds and methods of using such compounds to, for example, treat pulmonary disorders such as chronic obstructive pulmonary disease and asthma.
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