SYNTHESIS AND CHARACTERIZATION OF METAL COMPLEXES OF A N-(FURAN-2-YLMETHYLIDENE)- PYRAZINE-2-CARBOXAMIDE SCHIFF BASE. International Research Journal of Pharmacy, [S. l.], v. 9, n. 7, p. 132–135, 2018. Disponível em: https://irjponline.org/index.php/irjp/article/view/1383. Acesso em: 17 may. 2026.