| abstract |
The present invention relates to formula (I): [Wherein a, b, c, m, n, q, r, W, Z 1 , Ar 1 , Z 2 , Y, R 1 , R 2 and R 3 are as defined in the specification] Or a pharmaceutically acceptable salt or solvate or stereoisomer thereof. The compounds of formula I are muscarinic receptor antagonists. The invention also provides pharmaceutical compositions containing the compound, processes and intermediates for preparing the compound, and methods of using the compound to treat pulmonary disorders. |