1. Ugi, I., Abstracts of Papers, III Vserossiiskii simpozium po organicheskoi khimii “Strategiya i taktika organicheskogo sinteza” (IIIrd All-Russian Symp. on Organic Chemistry “Strategy and Tactics of Organic Synthesis”), March 3–6, 2001, Yaroslavl, 2001, p.2.
2. Litvinov, V.P., Russ. Chem. Rev., 2003, vol. 72, p.69.
3. Orru, R.V.A., Book of Abstracts, Chemistry of Nitrogen-Containing Heterocycles. CNCH-2012, Kharkiv: Ekskluziv, 2012, L–1.
4. Dyachenko, I.V. and Dyachenko, V.D., Russ. J. Org. Chem., 2015, vol. 51, p.629.
5. Dyachenko, V.D., Nesterov, V.N., and Dyachenko, I.V., Russ. J. Gen. Chem., 2011, vol. 81, p.751.