Duy, Le Hoang, and Nguyen Kim Phi Phung. “Anthraquinones from Hedyotis Pinifolia”. <i>Vietnam Journal of Chemistry</i> 47, no. 3 (August 27, 2014): 380. Accessed December 6, 2025. https://vjs.ac.vn/vjchem/article/view/4602.