Citenamide (AY-15613) has anticancer and anticonvulsant activity and is used in the study of neurological disorders because of its sleep-promoting properties.

Transportan is a 27 amino acid-long peptide containing 12 functional amino acids from the amino terminus of the neuropeptide galanin and mastoparan in the carboxyl terminus, connected via a lysine.

Taurohyodeoxycholic acid is the tauroconjugated form of Hyodeoxycholic acid (HDCA, a dihydroxylated natural bile acid). Taurohyodeoxycholic acid induces a biliary phospholipid secretion and suggests a hepatoprotective potential. Taurohyodeoxycholic acidalso can promote gallstone dissolution.