New Method of N-phenyl-3-methyl-3 hydroxy-5-pyrazolone production. International Journal of Current Engineering and Technology, [S. l.], v. 6, n. 2, p. 492–497, 2016. DOI: 10.14741/. Disponível em: https://ijcet.evegenis.org/index.php/ijcet/article/view/2705. Acesso em: 11 apr. 2026.