| abstract |
Provided herein are acid addition salts of muscarinic receptor antagonists. Such acid addition salts are muscarinic receptor antagonists, which are useful, among other uses, for the treatment of various diseases of the respiratory, urinary and gastrointestinal systems mediated through muscarinic receptors. Also provided herein are processes for the preparation of acid addition salts, pharmaceutical compositions thereof, and methods of treating diseases mediated through muscarinic receptors. |