Shokol Т.В., Suprun А.В., Hlibov Є.К., Moskvina В.С., and Khilya В.П. “Modifications of 7-Hydroxy- 3-(benzothiazol-2-yl)coumarin”. Reports of the National Academy of Sciences of Ukraine, no. 5 (October 27, 2021): 90–98. Accessed November 27, 2021. https://dopovidi-nanu.org.ua/ojs/index.php/dp/article/view/2021-5-11.