Salkeyeva, L.; Shibayeva, A.; Bakibaev, A.; Taishibekova, Y.; Minaeva, Y.; Smakova, L.; Hasenova, G. Synthesis of Some Multifunctional Derivatives Glycoluril Which Are Convenient Synthons for the Preparative Production of New Azoheterocycles. Chemical Bulletin of Kazakh National University 2013, 70, 86-90.