Patra, Goutam Kumar, et al. “Synthesis, Crystal Structure, DFT Studies, and Hirshfeld Surface Analysis of N,N’-bis(3-Quinolyl-methylene)diphenylethanedione Dihydrazone”. European Journal of Chemistry, vol. 12, no. 4, Dec. 2021, pp. 394-00, doi:10.5155/eurjchem.12.4.394-400.2153.