Calcimycin (A-23187) hemicalciumsalt is an antibiotic and a unique divalent cation ionophore (like calcium and magnesium). It induces Ca2+-dependent cell death by increasing intracellular calcium concentration.
Sacubitril is an angiotensin receptor neprilysin inhibitor being studied for use in combination with valsartan for heart failure. Sacubitril is a prodrug that is activated to LBQ657 by de-ethylation via esterases.