Bethanechol chloride(氯贝胆碱) is a selective muscarinic receptor agonist without any effect on nicotinic receptors.

Pramipexole(普拉克索) is a partial/full D2S, D2L, D3, D4 receptor agonist with a Ki of 3.9, 2.2, 0.5 and 5.1 nM for D2S, D2L, D3, D4 receptor, respectively.

Domperidone(多潘立酮) is an oral dopamine D2 receptor antagonist, used to treat nausea and vomiting.

Gallamine Triethiodide(加拉碘铵) is a cholinergic receptor blocker with an IC50 of 68.0 ± 8.4 μM.

Neostigmine Bromide(溴化新斯的明) is a reversible acetylcholinesterase inhibitor.

Scopolamine HBr(东莨菪碱氢溴酸盐) is a competitive muscarinic acetylcholine receptor with an IC50 of 55.3 nM.

Xylazine(甲苯噻嗪盐酸盐) is an α2-Adrenergic receptor agonist, used as a sedative and muscle relaxant.

L-Adrenaline(肾上腺素) belongs to a group of the compounds known as catecholamines.