8-O-Acetylharpagide is a glycoside and an iridoid monoterpenoid.

Alloimperatorin is a member of psoralens. Alloimperatorin exhibits in vitro antitumor activity in HL-60 acute myeloid leukemia cancer cells via inducing apoptosis, cell cycle disruption and inhibition of cell migration. It photosensitizes efficiently the hemolysis of erythrocytes. Alloimperatorin (Prangenidin)， A coumarin compound extracted from Angelica dahurica. Alloimpactorin (Prangenidin) has anti-tumor activity.