Bentiromide is a peptide used in the bentiromide test to monitor the adequacy of supplemental pancreatic therapy and to screen exocrine pancreatic insufficiency.

Bidenoside C is a flavonoid found in brazilian propolis, the first of its kind to be isolated from a herb of the genus Leech, and has anti-proliferative activity against cancer cells.

Eledoisin is a peptide extracted from the posterior salivary glands of certain small octopi (Eledone spp., Mollusca), or obtained by synthesis.?Its actions resemble those of SUBSTANCE P;?it is a potent vasodilator and increases capillary permeability.