“SYNTHETIC PYRIDINE SUBSTITUTED AMINO ACIDS AND THEIR DERIVATIVES: DOI: Https: doi.Org 10.17721 1728-2209.2019.1(56).5”. Bulletin of the Taras Shevchenko National University of Kyiv. Chemistry, vol. 56, no. 1, Dec. 2019, pp. 22-25, https://chemistry.bulletin.knu.ua/article/view/8368.