Synthesis, and characterization of Ni(II), Cu(II), Zn(II), Cd(II), and Hg(II) complexes with novel Schiff base ligand derived from 4-Hydroxy-3-(1-((5-phenyl-1,3,4-oxadiazol-2- yl)imino)ethyl)-2H-chromen-2-one. International Journal of Food and Nutritional Sciences, [S. l.], v. 11, n. 2, p. 1981–1992, 2022. Disponível em: https://www.ijfans.org/index.php/Journal/article/view/5194. Acesso em: 8 aug. 2026.