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Bethanechol chloride (Carbamyl-β-methylcholine chloride) 是一种拟副交感神经剂，是毒蕈碱型受体 (mAChR) 激动剂，通过直接刺激副交感神经系统的 mAChR 发挥作用。

SCH 50911 is (+)-(S)-5,5-dimethylmorpholinyl-2-acetic acid and is a selective, orally-active and competitive γ-Aminobutyric acid B GABA(B) receptor antagonist, binds to GABA(B) receptor (IC50: 1.1 μM). SCH 50911 antagonizes GABA(B) autoreceptors, increasi

Moxonidine Hydrochloride is a selective agonist at the imidazoline receptor subtype 1, used as antihypertensive agent. Target: I1-R Moxonidine Hydrochloride is a centrally acting antihypertensive agent. Mixed Nischarin (I1 imidazoline receptor) and α2-AR (adrenergic) agonist; displays 40-fold higher affinity for I1 receptors versus α2-adrenoceptors. Moxonidine reduced stimulated NE overflow (log EC50: -6.15 + - 0.14). AGN192403, a selective ligand at I1-R, had no influence on the dose-response curve of moxonidine (log EC50: -6.01 + - 0.25). The hypotensive and bradycardic actions of moxonidine but not clonidine are mediated through imidazoline receptors and are dependent on intact noradrenergic pathways within the RVLM. Furthermore, the noradrenergic innervation may be associated with a 42 kDa imidazoline receptor protein.