Limocitrin 3-β-D-glucose is a flavonoid glycoside.

YFLLRNP is a biological active peptide. (a partial agonist of PAR-1. YFLLRNP selectively active G12/13 signaling pathway without activating Gq or Gi pathways at low concentrations. YFLLRNP (60 μM))

Xenopsin(2TFA) is a neurotensin-like octapeptide?previously isolated from amphibian skin.The octapeptide xenopsin, previously isolated from amphibian skin, stimulates exocrine pancreatic secretion of bicarbonate and protein in conscious dogs and increases the volume of secretion.