Lawsone (2-hydroxy-1,4-naphthoquinone), also known as hennotannic acid, is a red-orange dye present in the leaves of the henna plant (Lawsonia inermis) as well as in the flower of water hyacinth (Eichhornia crassipes).

β-Casomorphin, human TFA (Human β-casomorphin 7 TFA) an opioid peptide that ACTS as an opioid receptor agonist.

Substance P (7-11) is a C-terminal fragment of Substance P, which can cause an increase in the intracellular calcium concentration as measured by the fluorescent dye Fura-2. In addition, the C-terminal fragment of SP, SP-(7-11), increased PGE2 and collagenase production at concentrations greater than 1 mM.