Gou, Gaozhang, Bo Zhou, Heping Yan, Na Wu, Shijuan Xu, and Wei Liu. “Synthesis, Spectroscopic Properties of Boc-L-Alanine Modified 1,8-Naphthyridine Ligands”. Asian Journal of Chemistry 26, no. 21 (September 30, 2014): 7109–7112. Accessed July 17, 2024. https://asianpubs.org/index.php/ajchem/article/view/26_23_4.