Silva CB, de Oliveira HPM, Ribeiro AO. A Microwave Step for the Synthesis of 4,5-Dicyanopyridazine: A Great Forerunner to Phthalocyanines. Orbital: Electron. J. Chem. 2018;10(2):153-155. Accessed January 29, 2026. https://periodicos.ufms.br/index.php/orbital/article/view/16369