D-Ala-Lys-AMCA hydrochloride, a known substrate of proton-coupled oligopeptide transporter 1 (PEPT1), emits blue fluorescence and may be transported into Caco-2 cells and liver cancer cells.

D18024 is a phthalazinonderivat with anti-allergic and anti-histamine effect.

5alpha-Cholestan-3-one(5aCh3) is an intermediate product in cholesterol metabolism, which is elevated in the case of cerebrotendinous xanthomatosis.