Carbachol is used to study responses mediated by nAChR and mAChR, including smooth muscle contraction, gut motility, and neuronal signaling.

Fluphenazine dihydrochloride is a phenothiazine-class D1DR and D2DR inhibitor. It also inhibits Histamine H1 Receptor.

Fluphenazine dihydrochloride is a phenothiazine-class D1DR and D2DR inhibitor. It also inhibits Histamine H1 Receptor.

Xylometazoline hydrochloride is an α-adrenoceptor agonist commonly used as nasal decongestant, exhibits highest potency at α2B-adrenoceptor subtype with EC50 of 99 μM.

Urapidil is an α1 adrenoreceptor antagonist and a 5-HT1A receptor agonist.

Metaproterenol hemisulfate (Orciprenaline hemisulfate) is a direct-acting sympathomimetic and a β2-adrenergic receptor (β2AR) agonist with an IC50 of 68 nM. Metaproterenol hemisulfate also has anti-inflammatory activity.

Meptazinol is a unique centrally active opioid analgesic, which inhibits [3H]dihydromorphine binding with IC50 of 58 nM.

Theophylline-7-acetic acid (Acefylline), acting as an adenosine receptor antagonist, is a stimulant drug of the xanthine chemical class.