Liu, Zhen, Yan Li, Hong Ren, Shuwei Zhang, Yonghua Wang, Guohui Li, and Ling Yang. 2012. “Structure Requirements for 4-Aryl-4H-Chromenes As Apoptosis Inducers Using 3D QSAR Methods and Docking Studies”. Asian Journal of Chemistry 24 (6):2450-60. https://asianpubs.org/index.php/ajchem/article/view/9154.