Diaziquone (NSC-182986) is a water-soluble synthetic azacyclic benzoquinone that enhances penetration of the blood-brain barrier, has antitumor activity, and is used in the treatment of extreme renal failure.

Quercetin-3-O-D-glucosyl]-(1-2)-L-rhamnoside is main antioxidant from Shuxuening, an herbal medicines injection.

CH 5450 (Z-Ile-Glu-Pro-Phe-Ome) is a short peptide inhibitor of chymase in the human heart.