Azetidine-2-carboxylic Acid and Its Derivatives in Organic Synthesis. - Pronina, Yu. A.; Berezhnaya, E. V.; Slesarev, D. S.; Drachuk, A. S.; Ponyaev, A. I.; Boitsov, V. M.; Stepakov, A. V. (Russian Journal of General Chemistry, 2025)