Natykan, A. A., M. G. Chernobrovkin, and O. A. Shpigun. “Chromatographic Behavior of Amino Acid Derivatives Obtained With O-Phthalic Aldehyde and Various Nucleophilic Agents”. Sorbtsionnye I Khromatograficheskie Protsessy, Vol. 11, no. 6, Nov. 2019, https://journals.vsu.ru/sorpchrom/article/view/2001.