Cao, Jing-Li, Jing-Jiao Xue, Shun-Qin He, Guang-Yu Yang, and Qiu-Fen Hu. 2010. “Arylnaphthalene Lignans from Daphne Acutiloba Rehd”. Asian Journal of Chemistry 22 (8):6509-12. https://asianpubs.org/index.php/ajchem/article/view/11843.