abstract |
The present invention relates to compounds which are muscarinic M4 receptors and/or agonists of M4 receptors and are useful in the treatment of diseases mediated by muscarinic M1/M4 receptors. Also provided are pharmaceutical compositions containing the compounds and therapeutic uses of the compounds. Compounds include those according to formula 1a, or salts thereof, wherein n , p , Q, R1, R2, R3 , R9 and R4 are as defined herein . |