فهرس المقالات N-amino-2-pyridones حرية الوصول المقاله صفحة الملخص نص كامل 1 - ZrP2O7 NPs: A recyclable, efficient heterogeneous catalyst for the synthesis of 1,6-diamino-2-oxo-4-phenyl-1,2-dihydropyridine-3,5-dicarbonitrile derivatives via a multi-component reaction Javad Safaei-Ghomi Hossein Shahbazi-Alavi Mohammad Reza Saberi-Moghadam Abolfazl Ziarati