“FUNCTIONALIZATION OF COUMARIN DERIVATIVES BASED ON 3-(5-HYDROXYBENZOFURAN-3-CARBONYL)-2H-CHROMEN-2-ONE: DOI: Https: doi.Org 10.17721 1728-2209.2024.1(59).8”. Bulletin of the Taras Shevchenko National University of Kyiv. Chemistry, vol. 59, no. 1, Nov. 2024, pp. 48-53, https://chemistry.bulletin.knu.ua/article/view/2899.