فهرس المقالات Bis(pyrazol-5-ol)s حرية الوصول المقاله صفحة الملخص نص كامل 1 - Morpholinium glycolate as an efficient and reusable catalyst for the synthesis of bis(pyrazol-5-ol) derivatives under solvent-free conditions Mohd Akmal Shaikh Mazahar Farooqui Syed Abed