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

Enbucrilate is a cyanoacrylate ester that has been used as surgical tissue adhesive. Enbucrilate is a tissue adhesive, forming polymer films at oil-water interfaces and revealing films of diverse morphology.

D-Ala-D-Ala constitutes the terminus of the peptide part of the peptidoglycan monomer unit and is involved in the transpeptidation reaction as the substrate. D-Ala-D-Ala is catalyzed by D-Alanine-D-Alanine ligase. D-Ala-D-Ala is a bacterial endogenous metabolite.