Mei, Sheng-Fu, Jin Liu, Zhen Li, Yan Chen, and Jing Zhang. “Reactivity of 2-Phosphonobutane-1,2,4-Tricarboxylic Acid Esterification”. Asian Journal of Chemistry 26, no. 5 (March 4, 2014): 1530–1532. Accessed November 25, 2024. https://asianpubs.org/index.php/ajchem/article/view/26_6_79.