فهرس المقالات Acylation حرية الوصول المقاله صفحة الملخص نص كامل 1 - Solvent-free direct ortho C-acylation of phenolic systems by methanesulfonic acid as catalyst Hossein Naeimi Abdol Hamid Raesi Mohsen Moradian حرية الوصول المقاله صفحة الملخص نص كامل 2 - Studies on Mechanism of Formation and Medicinal applications of structurally diverse Indole and Oxindole derivatives Noor ud Din Zargar Khaliq Zaman Khan