| 摘要 |
The present invention relates to benzo-spiro-azaheterocyclic compounds of formula I, wherein R1, R2a, Rsb, R3, R′3, R4, R′4, m, n, q and p are define herein. The compounds of this invention are useful as modulators of muscarinic receptors. The present invention also provides compositions comprising such modulators, and methods therewith for treating muscarinic receptor mediated diseases
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