“Synthesis of pyrimidine-2,4,6-trion and 2-thioxo-pyrimidin-4,6-dione with imidazolidine fragment” (2013) V. N. Karazin Kharkiv National University Bulletin. Chemical series, (22), pp. 45–52. doi:10.26565/2220-637X-2013-22-05.