Syumka, Y.I., Shemchuk, L.A., Chernykh, V.P. and Redkin, R.G. 2018. The study of the three-component interaction between isatin, α-amino acids and N,N’-di(3-carboxypropenoyl)-1,2-ethylenediamine and determination of the structure of the compounds obtained. Journal of Organic and Pharmaceutical Chemistry. 16, 1(61) (Mar. 2018), 34–41. DOI:https://doi.org/10.24959/ophcj.18.932.