Flavonoids from Gleditsiae Spina and their antitumor activities Prevention and treatment of total flavonoids from Gleditsiae Spina on lung cancer and its mechanisms Investigation of three coumarin components in thorns of Gleditsia sinensis and their cytotoxic activity to tumor cells Flavanonol compounds from thorns of Gleditsie Spina and their cytotoxicity Chemical constituents of Gleditsiae Spina and their antitumor activity