SPR741, formerly NAB741 (12), is a cationic peptide derived from polymyxin B and is one such potentiator molecule that is under development for the treatment of serious Gram-negative bacterial infections.

Chrysin-7-O-glucuronide is a natural product?with antioxidant activity.

GRGDSP, a synthetic linear RGD peptide, is an integrin inhibitor which can be used to modify the surface of cardiovascular implants such as vascular grafts to promote endothelialization.