“MANNICH REACTION OF 3-(HYDROXYPHENYL)ISOCOUMARINS: UDC 547.814.5”, Вісник: Хімія, vol. 50, no. 1, pp. 77–80, Nov. 2014, Accessed: Oct. 06, 2026. [Online]. Available: https://chemistry.bulletin.knu.ua/en/article/view/8536