Polaprezinc is an orally bioavailable chelate composed of zinc and L-carnosine, with potential gastroprotective, anti-ulcer, anti-oxidant and anti-inflammatory activities.

Tyroserleutide (YSL), isolated from the degradation products of porcine spleen, is a small molecular tripeptide which inhibits tumor growth both in vitro and in vivo.

Flosequinan is an arteriovenous vasodilator, which can effectively treat acute heart failure.