Potent and selective corticotropin releasing factor receptor-1 (CRF1) agonist (Ki values are 1.5 and 224 nM for CRF1 and CRF2 receptors respectively). Increases ACTH levels and increases faecal pellet output in vivo following i.p. administration.

Rotundifuran is extracted from the fruit of Vitex rotundifolia. Rotundifuran inhibits cell cycle progression and induces apoptosis in human myeloid leukemia cells.

Histamine, an organic nitrogen compound, works on target cells in the mammalian brain by stimulating of Histamine 1/2.