فهرس المقالات 3 dihydroquinazolin-4(1H)-ones حرية الوصول المقاله صفحة الملخص نص كامل 1 - Sulfonated Porous Carbon (SPC): An efficient and recyclable solid acid catalyst for one-pot three-component synthesis of 2,3-dihydroquinazolin-4(1H)-ones under solvent-free conditions Arash Shokrolahi Abbas Zali Mohammad Ali Zarei Karim Esmaeilpour