Orexin A human, rat, mouse, a 33 amino acid excitatory neuropeptide, orchestrates diverse central and peripheral processes. Orexin A human, rat, mouse has been used to study its effect on the functioning of porcine pancreatic islets. It has also been used as an orexin receptor 1 (OX1R) antagonist to study the effect of orexin systems in the effect of etonogestrel on respiratory response to prolonged metabolic acidosis.

SXC 2023 ((S)-2-acetamido-3-(4-methylbenzoylthio)propanoic acid) is a therapeutic prodrug of N-acetyl-L-cysteine for the treatment of CNS disorders and neurocognitive disorders, and can be used to treat glutamatergic dysfunction and psychiatric disorders in which oxidative stress plays a key role.

1.(-)-Licarin B has anti-mycobacterial activity.