Clozapine N-oxide diHCl is a major metabolite of Clozapine which is an antipsychotic acting as an antagonist of dopamine and other receptors such as muscarinic M1 receptor.

Piperidolate is a tertiary amine antimuscarinic. It is similar to atropine.

VU0357017 HCI (formerly CID-25010775) is a potent and highly selective M1 agonists that appear to act at an allosteric site to activate the receptor with EC50 of 477 ± 172 nM and pEC50 of 6.37 ± 0.15).

Biperiden HCl (trade name Akineton; Akinophyl), the hydrochloride salt of Biperiden, is a potent muscarinic antagonist and a medication used to treat Parkinson disease and certain drug-induced movement disorders.

VU0238441 is a novel and potent agonist of human Muscarinic acetylcholine receptor M5 with EC50 of 2.1 μM.

Tolterodine (also known as PNU-200583E) is a tartrate salt of tolterodine that is a potent and competitive muscarinic receptor antagonist.

Pirmenol (Cl-845) is a potent antiarrhythmic agent that inhibits muscarinic acetylcholine receptor-operated K+ current in the guinea pig heart.

Pilocarpine nitrate, the nitrate salt of pilocarpine, is a potent M3-type muscarinic acetylcholine receptor (M3 muscarinic receptor) agonist used on the eye to treat elevated intraocular pressure, various types of glaucoma, and to induce miosis.

Umeclidinium bromide (formerly GSK-573719; GSK573719A; Incruse Ellipta) is a novel and inhaled long-acting muscarinic antagonist (LAMA) with the potential for treatment of pulmonary diseases (e.g. COPD).

Oxotremorine M iodide is a novel, potent and selective muscarinic acetylcholine receptor (mAChR) agonist.