Kemskii, S. V., A. V. Bolbut, Y. V. Dmytriv, and M. V. Vovk. “Azolo[1,4]diazepines: The Methods of Synthesis and Structural Modification”. Journal of Organic and Pharmaceutical Chemistry, vol. 15, no. 1(57), Mar. 2017, pp. 3-27, doi:10.24959/ophcj.17.911.