S. G. Kostryukov, A. S. Kozlov, D. A. Krasnov, V. S. Tezikova, Y. Y. Masterova, and L. A. Klimaeva, “SYNTHESIS OF 3,3´-(1,4-PHENYLENE)BIS(1-(4-R-PHENYL)-5-PHENYL-5,6-DIHYDRO-1,2,4,5-TETRAZINIUM) PERCHLORATES”, IVUZKKT, vol. 64, no. 5, pp. 4-11, May 2021.