فهرس المقالات pot Heterogeneous catalysts pyrimidine nanoanalysis حرية الوصول المقاله صفحة الملخص نص كامل 1 - Co3O4/NiO@GQDs@SO3H nanocomposite as high performance catalyst for the preparation of pyrimidines Hossein Shahbazi-Alavi Ali Abbas Javad Safaei-Ghomi 10.22034/jna.2020.675053