Elamipretide (SS-31, MTP-131, Bendavia) is a novel cell-permeable antioxidant tetrapeptide (D-Arg-dimethylTyr-Lys-Phe-NH2) that targets inner mitochondrial membrane and prevents oxidative damage of neuronal cells and other cell types.

d-Neomenthol is a natural product.

IRL 2500 is an effective antagonist of the Endothelin receptor. IRL 2500 suppresses ETB receptor-mediated blood pressure increase and renal vascular resistance in rats in vivo.