Synthesis, Characterization and Evaluation of Some Pyranopyrazole Derivatives as Multifunction Additives for Medium Lubricating Oils. Iraqi Journal of Science, [S. l.], v. 63, n. 7, p. 2827–2838, 2022. DOI: 10.24996/ijs.2022.63.7.7. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/5669.. Acesso em: 8 jul. 2024.