Provided herein are compounds according to Formula (I)
or a pharmaceutically acceptable salt thereof, wherein R
1
, R
2
, R
3
, R
5
, and R
7
are defined herein. Also provided herein are pharmaceutical compositions comprising a compound of Formula (I) as well as the use of such compounds as M4 receptor agonists.
本文提供了根据式(I)或其药学上可接受的盐的化合物,其中R1、R2、R3、R5和R7在此处被定义。本文还提供了包含式(I)化合物的药物组合物,以及将这些化合物用作
M4受体激动剂的用途。