Spectroscopic Study for Resonance Effects on the Carbonyl Double Bond Order in Urea Schiff Bases Which Contain Conjugated System. Baghdad Science Journal, Iraq, Baghdad, v. 8, n. 3, p. 711–716, 2011. DOI: 10.21123/bsj.2011.8.3.711-716. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/1281.. Acesso em: 20 dec. 2024.