Salkeyeva, L., A. Shibayeva, A. Bakibaev, Y. Taishibekova, Y. Minaeva, L. Smakova, and G. Hasenova. “Synthesis of Some Multifunctional Derivatives Glycoluril Which Are Convenient Synthons for the Preparative Production of New Azoheterocycles”. Chemical Bulletin of Kazakh National University, Vol. 70, no. 2, May 2013, pp. 86-90, doi:https://doi.org/10.15328/chemb_2013_286-90.