Kobyzhcha, N. I., V. M. Holovatiuk, V. V. Rozhkov, and V. I. Kashkovsky. “The Synthesis of Novel Spirocyclic N-Aryl-Substituted 2-Thiopyrimidine-4,6-Diones”. Journal of Organic and Pharmaceutical Chemistry, vol. 17, no. 1(65), Mar. 2019, pp. 20-27, doi:10.24959/ophcj.19.962.