Synthesis of Biologically Important Pyrrole Derivatives in any 13C and 15N Isotope Enriched Form. Global Journal of Science Frontier Research, [S. l.], v. 12, n. B2, p. 23–36, 2012. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/414. Acesso em: 20 jan. 2026.