Drokin R. A., Tiufiakov D. V., Voinkov E. K., Slepukhin P. A., Ulomsky E. N., Esaulkova Ya. L., Volobueva A. S., Lantseva C. S., Misyurina M. A., Zarubaev V. V., Rusinov V. L. Methods of Synthesis and Antiviral Activity of New 4-Alkyl-3-Nitro-1,4-Dihydroazolo[5,1-c][1,2,4]Triazin-4-ols. Chemistry of Heterocyclic Compounds. 2021-07-01;57(4):473-478. https://doi.org/10.1007/s10593-021-02926-2