“MANNICH REACTION OF 3-(HYDROXYPHENYL)ISOCOUMARINS: UDC 547.814.5” (2014) Bulletin of Taras Shevchenko National University of Kyiv. Chemistry, 50(1), pp. 77–80. Available at: https://chemistry.bulletin.knu.ua/en/article/view/8536 (Accessed: 6 October 2026).