Uridine 5'-triphosphate tris salt is an agonist to the P2Y receptor and has been used to study concentrations of intracellular Ca2+ as well as a phosphate donor for in vitro kinase assays.

Isostearic acid (Isooctadecanoic acid) is an active ingredient in imiquimod formulations that promotes the entry of imiquimod or peripherally secreted cytokines into the brain, and can be used to induce psoriasis-like disease models.

Penicillin V potassium is a broad-spectrum penicillin antibiotic used orally in the treatment of mild to moderate infections by susceptible gram-positive organisms.