Futoquinol is an anti-platelet activating factor principle from the stem part of Piper futokadsura (Piperaceae), the Chinese drug haifengteng.

(3R,5R)-1-(4-Hydroxy-3-methoxyphenyl)-7-phenylheptane-3,5-diol (compound 20) is a plant metabolite that can be isolated from Zingiberaceae plants.

RXFP3/4 agonist 2 is a potent, non-peptidic bis-RXFP3/4 agonist that facilitates the interaction between RXFP3 and β-arrestin-2 and is useful for studying diseases caused by metabolic abnormalities.