Specific

adenosine (Adenocard, Adenoscan) adrenergic receptor agonist elafibranor (Iqirvo) gamma aminobutyrate (GABA) agonist muscarinic receptor agonist opioid receptor agonist (narcotic) ramelteon (Rozerem) selexipag (Uptravi) serotonin agonist (5-HT receptor agonist, triptan) tasimelteon (VEC-162) thrombopoietin receptor agonist varenicline (Chantix, Champix)