Duan, Zhongyu, Lin Yang, Liping Yang, and Wenjun Zhang. “Synthesis and Ion Recognition Exploration of Novel Benzothiazolyl Modified Crown Ethers”. Asian Journal of Chemistry 24, no. 11 (June 29, 2012): 5129–5132. Accessed November 22, 2024. https://asianpubs.org/index.php/ajchem/article/view/9863.