Demchenko, S. A.; Fedchenkova, Y. A.; Sukhoveev, V. V.; Bagreeva, O. S.; Demchenko, A. M. The Synthesis and Antiviral Activity of 1-(4-сhlorophenyl)-4-(para-Tolyl)-5,6,7,8-Tetrahydro-2а,4a-diazacyclopenta[cd]-Azulene-2-Carboxylic Acid Derivatives. J. Org. Pharm. Chem. 2019, 17, 37-43.