“Synthesis, Spectral Characterization on Few Transition Metal(II) Complexes Containing Novel Schiff Base Ligand Condensed from 3-Hydroxythiophene-2-Carbaldehyde and Naphthalene-1,2-Diamine ”. Journal of Pharmaceutical Negative Results (February 7, 2023): 1107–1112. Accessed June 7, 2026. https://pnrjournal.com/index.php/home/article/view/8178.