A. S. Gotsulya, O. M. Kamyshnyi, N. M. Polishchuk, O. I. Panasenko, and Y. G. Knysh, “Research of the antimicrobial and antifungal activity of 7-((3-thio-4-R-4H-1,2,4-triazoles-3-yl)methyl)theophylline S-derivatives”, Zaporozhye Medical Journal, vol. 17, no. 4, Sep. 2015.