V. . Izhyk, A. . Dobrydnev, M. . Popova, and Y. . Volovenko, “Synthesis of N-methyl 3-alkyl-isothiazolidine- 1,1-dioxo-3-methylcarboxylates through the intramolecular Michael reaction”, Dopov. Nac. akad. nauk Ukr., no. 6, pp. 73–78, Dec. 2022.