Gotsulya, A. S., A. I. Panasenko, E. G. Knysh, and A. O. Pryimenko. “UV-Spectrophotometric Study of the 7-((3-Thio-4-R-1,2,4-Triazole-3-yl)methyl)-Theophyllines”. Farmatsevtychnyi Zhurnal, no. 4, Sept. 2018, pp. 65-70, doi:10.32352/0367-3057.4.15.03.