A. Y. MALMAKOVA, V. K. YU, K. D. PRALIYEV, A. B. KALDYBAYEVA, and M. K. AMIRKULOVA, “SYNTHESIS, STRUCTURE, AND BIOLOGICAL ACTIVITY OF NOVEL BISPIDINE DERIVATIVES”, Int J App Pharm, vol. 13, no. 1, pp. 69–74, Jan. 2021.