Endothelin 1 (swine, human) is a synthetic peptide with the sequence of human and swine Endothelin 1, which is a potent endogenous vasoconstrictor. Endothelin 1 acts through two types of receptors ETA and ETB.

Hexyl nicotinate (AI3 15769) is a cutaneous vasodilator and can be used in research on non-immunologic contact urticaria on the scalp, face, and back.

Fosfructose trisodium is a cytoprotective natural sugar phosphate for the potential treatment of sickle cell anemia cardiovascular ischemia and asthma. It acts by stimulating anaerobic glycolysis which generates adenosine triphosphate under ischemic conditions.