KharlamovaТ., A. Gabdrakipov, P. Seidakhmetova, and K. Praliyev. “Antibacterial Activity of Synthesized Derivatives of Purpurin Containing Cyсlopropane and Cyclobutane Fragment”. Eurasian Chemico-Technological Journal 22, no. 3 (September 30, 2020): 213-218. Accessed November 25, 2020. https://ect-journal.kz/index.php/ectj/article/view/972.