Demchenko, S. A.; Fedchenkova, Y. A.; Bobkova, L. S.; Artemchuk, L. P.; Demchenko, A. M. The Synthesis and the Study of the Antitumor Activity of 1,4-Diaryl-5,6,7,8-Tetrahydro-2,2a,8a triazacyclopenta[cd]azulene Derivatives. J. Org. Pharm. Chem. 2019, 17, 3-12.