Dihydrosanguinarine is a natural compound isolated from the leaves of Macleaya microcarpa with antifungal and anticancer activity.

Dihydrochelerythrine is a natural product isolated and purified from the herbs of Chelidonium majus, has antifungal activity against pathogenic plant fungi., and shows antiparasitic efficacy against Ichthyophthirius multifiliis in richadsin. Dihydrochelerythrine also affects cell cycle distribution, activates mitochondrial apoptotic pathway, and induces apoptosis and necrosis in HL-60 cells.

Coptisine is a protoberberine isoquinoline alkaloid isolated and purified from the herbs of Chelidonium majus L., which can increases cell viability based on its reversal effect on the enhanced activity of Indoleamine 2,3-dioxygenase .

Cycleanine, isolated from stephania, is a selective antagonist of vascular calcium.

Chelerythrine, a natural product isolated and purified from the herbs of Chelidonium majus with potent antimanic, antiproliferatvie and antitumor effect, can inhibit telomerase activity, and is a well-known protein kinase C inhibitor.

Chelidonine, a natural product isolated and purified from the herbs of Chelidonium majus L., efficiently induced apoptosis in HeLa cells through possible alteration of p38-p53 and AKT/PI3 kinase signalling pathways.

8-Acetonyldihydrosanguinarine is a natural product isolated and purified from the herbs of Chelidonium majus.