8Lazaris D,Chinou 1,Roussis V,et al.Chemical constituents from Ecballium elaterium and their effects on a non-small-cell bronxhial carcinoma line.Pharm Pharmacol Lett,1998,8(1):50 ~ 51.
10Konoshima T,Takasaki M,Kozuka M,et al.Constituents of rosaceous plants.Ⅰ.Structures of new triterpenoids from Cowania mexicane.Chem Pharm Bull,1993,41 (9):1612 ~ 1615.