Agonists
No highly selective M3 agonists are yet available as of 2009, but a number of non-selective muscarinic agonists are active at M3.
- acetylcholine
- bethanechol
- carbachol
- L-689,660 (mixed M1/M3 agonist)
- oxotremorine
- pilocarpine (in eye)
Read more about this topic: Muscarinic Acetylcholine Receptor M3