3,4-(Methylenedioxy)cinnamic acid is a plant-derived compound first extracted from roots of Asparagus officinalis and further characterized as an allelochemical.

Ligurobustoside N (compound 2) is an antioxidative glycoside that can be isolated from the Leaves of Ligustrum robustum. Ligurobustoside N shows antioxidant effects and shows inhibition for AAPH induced hemolysis.

Cyclopenthiazide is a thiazide diuretic used to treat hypertension and heart failure. It decreases the excretion of calcium ions and uric acid and increases the excretion of sodium and potassium ions.