H. El-Sayed, Nabil, A.E.A. El-Sherbeiny, M.S. Ashraf, and Tom J. Mabry. 2010. “Flavonoid Glycosides from Lagonychium Farcatum and Herminiera Elaphroxylon ”. Asian Journal of Chemistry 9 (3):549-50. https://asianpubs.org/index.php/ajchem/article/view/23919.