Hoang Anh, Nguyen Thi, Tran Van Sung, Nobert Arnold, and L. Wessjohann. “Chemical Constituents of Zizyphus Sativa Gaertn Fruits. Part III - Alkaloids”. <i>Vietnam Journal of Chemistry</i> 45, no. 2 (September 1, 2014): 237. Accessed April 2, 2026. https://cip.vast.vn/vjchem/article/view/4744.