The invention provides compounds of the formula:
in salt or zwitterionic form or a pharmaceutically acceptable salt thereof, wherein R
1-6
, 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.
该发明提供了以下公式的化合物:以盐或带电离子形式或其药用可接受盐的形式存在,其中R1-6、a、Z和Q如规范中定义。这些化合物是
肌氨酸受体拮抗剂。该发明还提供含有这些化合物的药物组合物,制备这些化合物的方法以及使用这些化合物的方法,例如用于治疗慢性阻塞性肺疾病和哮喘等肺部疾病。