| abstract |
This invention relates to compounds that are agonists of the muscarinic M 1 receptor and which are useful in the treatment of muscarinic M 1 receptor mediated diseases. Also provided are pharmaceutical compositions containing the compounds and the therapeutic uses of the compounds. Compounds provided are of formula n n n n n n n n n n where m, p, q, W, Z, Y, X 1 , X 2 , R 1 , R 2 , R 3 and R 4 are as defined herein. |