Sánchez-Viesca, Francisco, and Reina Gómez. “On the Chemical Oxidation of Berberine ”. Earthline Journal of Chemical Sciences 12, no. 2 (March 20, 2025): 207-211. Accessed August 9, 2025. https://www.earthlinepublishers.com/index.php/ejcs/article/view/1045.