ABT-418 hydrochloride is a selective agonist of nAChRs with cognitiveenhancing and anxiolytic activities. It activates cholinergic channel and can be used for the research of Alzheimer's disease.
FK962 is an enhancer of somatostatin release, which exerts cognitive-enhancing actions in rats. FK960 increases synaptic density in the hippocampal CA3 region of aged rats.
FR-194921 is a potent, selective, and orally active antagonist for central adenosine A1 receptors with cognitive-enhancing and anxiolytic activity. FR194921 has same binding affinity profile among human, rat, and mouse.
(±)-PPCC oxalate, a sigma-1 agonist with a K i of 1.5 nM, primarily targets sigma-1 receptors and exhibits significant anti-amnesia effects in rats with mild or severe cognitive impairment, enhancing their cognitive abilities [1].