ChemInform Abstract: Efficient and Expeditious Synthesis of Pyrano‐Pyrimidines, Multi‐Substituted γ‐Pyrans, and Their Antioxidant Activity. Issue 28 (15th July 2014) - El‐Bayouki, Khairy A. M.; Basyouni, Wahid M.; Khatab, Tamer K.; El‐Basyoni, Fakhry A.; Hamed, Ahmed R.; Mostafa, Eslam A.