| 单词 | tiotropium bromide monohydrate |
| 释义 | tiotropium bromide monohydrate The monohydrate bromide salt form of tiotropium, a quaternary ammonium derivative of atropine and a long-acting muscarinic receptor antagonist, with bronchodilating activity. Upon inhalation, tiotropium binds to and blocks mainly muscarinic M3 receptors located on smooth muscle cells, thereby preventing smooth muscle contraction |
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