1. S. A. Luzhnova, A. G. Tyrkov, N. M. Gabitova, and E. A. Yurtaeva, Khim.-farm. Zh., 49(12), 12 – 14 (2015); Pharm. Chem. J., 49(12), 810 – 812 (2016).
2. T. T. Anastas and J. C. Warner, Green Chemistry: Theory and Practice, Oxford University Press, New York (1998), p. 25.
3. E. Pretsch, P. Buhlmann, and C. Affolter, Structure Determination of Organic Compounds, Springer, Berlin, New York (2000) [Russian translation, Mir, Moscow (2006), pp. 393 – 395].
4. A. A. Potekhin, Properties of Organic Compounds [in Russian], Khimiya, Leningrad (1984), p. 296.
5. J. G. Kirchner, Techniques of Chemistry, Vol. 14: Thin-Layer Chromatography, 2nd Ed., Wiley-Interscience, New York (1978), 1137 pp [Russian translation, Mir, Moscow (1981), pp. 129, 218].