Origin of Three Fold Torsional Potential in Methylated 2-Hydroxypyridine. European Journal of Engineering Science and Technology, [S. l.], v. 2, n. 3, p. 81–88, 2019. DOI: 10.33422/EJEST.2019.08.19. Disponível em: https://www.dpublication.com/journal/index.php/EJEST/article/view/116. Acesso em: 26 oct. 2025.