Lee, Yong-Gyun, Jin-Hwan Yoon, Jong-Sik Kim, Ju-Hyun Song, Yun-Young Kim, Dai-Il Jung, and Jung-Tai Hahn. “Synthesis of Imidazolidines, Saccharins and Chromone Bearing Imidazolidine Ring”. Asian Journal of Chemistry 24, no. 1 (September 30, 2011): 129–132. Accessed July 1, 2024. https://asianpubs.org/index.php/ajchem/article/view/15950.