Duy, Le Hoang, and Nguyen Kim Phi Phung. “Anthraquinones from Hedyotis Pinifolia”. <i>Vietnam Journal of Chemistry</i> 47, no. 5 (August 28, 2014): 581. Accessed December 6, 2025. https://vjs.ac.vn/vjchem/article/view/4647.