Liu, Ying-Hong, Wei-Xing Ma, Yan-Hui Li, and Juan Liu. “Synthesis of 5-Antipyriylazosalicylfluorone and Its Colour Reaction With Molybdenum”. Asian Journal of Chemistry 23, no. 4 (December 31, 2010): 1735–1738. Accessed November 24, 2024. https://asianpubs.org/index.php/ajchem/article/view/10232.