2-(4-Hydroxyphenylazo)benzoicacid is a spectrophotometric probe that shows changes in absorption spectra upon binding to proteins and binds to bovine serum proteins.

BAW2881 is a potent and selective VEGFR inhibitor (vascular endothelial growth factor receptor tyrosine kinase inhibitor) with activity to inhibit chronic and acute skin inflammation.

Mastoparan X is a GTP-binding regulatory protein (G protein)-activating peptide, and a tetradecapeptide from wasp venom. Mastoparan X acts function by the direct activation of G protein that couple to phospholipase C to cause secretion from various kinds of cells.