Zucapsaicin (Civanex) is a medication used to treat osteoarthritis of the knee and Others neuropathic pain.Zucapsaicin is a synthetic cis isomer of natural capsaicin that has shown therapeutic efficacy in pain accompanying osteoarthritis of the knee.

Bafrekalant is a diazabicyclo-substituted imidazo[1,2-a]pyrimidine derivative that can be used to study sleep-related breathing disorders such as obstructive and central sleep apnoea and snoring.

Copper peptide GHK-Cu is a naturally occurring copper complex of the tripeptide glycyl-L-histidyl-L-lysine. The tripeptide has strong affinity for copper(II) and was first isolated from human plasma. It can be found also in saliva and urine.