5-Fluoromethylornithine dihydrochloride (5-FMOrn dihydrochloride) is a selective inhibitor of L-Ornithine:2-oxoacid aminotransferase (OAT) and a specific inactivator of OAT, which can be used to study metabolic diseases and neurological diseases.

Glucodigifucoside, a cardiac glycoside that can be isolated from digitalis seeds, is specifically cytotoxic to human renal adenocarcinoma cells.

Clemastanin B has antioxidant and anti-inflammatory activities, it exerts its anti-influenza activity by inhibiting the virus multiplication, prophylaxsis and blocking the virus attachment.