Synthesis and Characterization of Five, Sevene Heterocyclic Membered Rings . Baghdad Science Journal, Iraq, Baghdad, v. 10, n. 3, p. 803–817, 2013. DOI: 10.21123/bsj.2013.10.3.803-817. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/2591.. Acesso em: 3 may. 2024.