NARAYANASWAMY VENUGOPALA, K.; T. PRASANNA, Renuka; ODHAV, Bharti. Trifluoroacetic Acid: An Efficient Catalyst for Paal-Knorr Pyrrole Synthesis and Its Deprotection. Asian Journal of Chemistry, [S. l.], v. 25, n. 15, p. 8685–8689, 2013. DOI: 10.14233/ajchem.2013.15185. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/25_16_103. Acesso em: 5 jul. 2024.