G.  Khojabaeva, Torambetov, B., Gonnade, R. G., Uzakbergenova, Z., Rasulov, A., and Kadirova, S., ?Synthesis, crystal structure and Hirshfeld surface analysis of bis­[2-amino-5-(ethyl­sulfan­yl)-1,3,4-thia­diazol-3-ium] bis­(perchlorato-?O)bis­(picolinato-?2N,O)copper(II)?, Acta Crystallographica Section E, Crystallographic Communications, vol. 81, pp. 613?617, 2025.