MUSCARINIC RECEPTOR AGONISTS USEFUL IN THE TREATMENT OF PAIN, ALZHEIMER'S DISEASE AND SCHIZOPHRENIA

摘要

Compounds of Formula (I), or pharmaceutically acceptable salts thereof: wherein R1, R2, R3, R4, m, n, q, s, t, X, and Y are as defined in the specification as well as salts and pharmaceutical compositions including the compounds are prepared. They are useful in therapy, in particular in the management of pain.