Li, Fei, Jie Zhang, Yu Jiang, Lei Jin, and Chuan Zhang. “Synthesis and Crystal Structure of 1-Cyclopropyl-6,7-Difluoro-8-Methoxy-4-Oxo- 1,4-Dihydro-3-Quinoline Carboxylic Acid-(O3,O4)-Bis-(acetate-O)borate”. Asian Journal of Chemistry 25, no. 11 (June 5, 2013): 6079–6082. Accessed July 18, 2024. https://asianpubs.org/index.php/ajchem/article/view/25_12_45.