فهرس المقالات Trityl chloride (Ph3CCl) حرية الوصول المقاله صفحة الملخص نص كامل 1 - Study of an in situ carbocationic system formed from trityl chloride (Ph3CCl) as an efficient organocatalyst for the condensation of dimedone with arylaldehydes Abdolkarim Zare Maria Merajoddin Mohammad Ali Zolfigol