Azacyclonol, also known as γ-pipradol, is a drug used to diminish hallucinations in psychotic individuals.

Trifluoperazine is a dopamine D2 receptor inhibitor with IC50 of 1.1 nM.

Catharanthine inhibits nicotinic receptor mediated diaphragm contractions with IC50 of 59.6 μM.

Fexofenadine inhibits histamine H1 receptor with IC50 of 246 nM.

Quinolinic Acid, a neuroactive metabolite of the kynurenine pathway, is an agonist of N-methyl-D-aspartate (NMDA) receptor.  

Tacrine is a centerally active cholinesterase inhibitor that has been used to counter the effects of muscle relaxants, as a respiratory stimulant, and in the treatment of Alzheimer's disease and other central nervous system disorders. It also acts as a histamine N-methyltransferase inhibitor.

Methoxyphenamine Hydrochloride is a β-adrenergic receptor agonist of the amphetamine class used as a bronchodilator.

Amitraz is a triazapentadiene, an α2 adrenergic agonist and a member of the amidine chemical family. It is a non-systemic acaricide and insecticide.