GHARDE, A.D. Synthesis of Some N-Amino Quinolin-2-ones form 4-Methyl Coumarins . Asian Journal of Chemistry, [S. l.], v. 12, n. 2, p. 606–608, 2010. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/23010. Acesso em: 23 jul. 2024.