( ) isocorypalmine

(-)-Isocorypalmine ((S)-Tetrahydrocolumbamine), a natural product isolated from Corydalis chaerophylla, has significant antifungal activity.

(+)-Isocorypalmine is a natural product discovered in Corydalis ophiocarpa, capable of displacing SCH23390 at D1 receptors and spiperone at D2 receptors in HEK293 cells.

Columbamine chloride is an organic heterocyclic alkaloid and a metabolite of berberine which is widely found in Ranunculaceae plants such as Coptis and Phellodendron. Columbamine chloride induces apoptosis in cancer cells and exhibits anticancer activity. Columbamine chloride inhibits the cytochrome P450 (CYP) subtype CYP3A4 (IC50 = 30.6 µM). Columbamine chloride possesses various biological activities, including antioxidant, anti-inflammatory, antifungal, antiprotozoal, hepatoprotective, neuroprotective, lipid-lowering, and hypoglycemic effects.