فهرس المقالات Dihydropyrano[c]chromen حرية الوصول المقاله صفحة الملخص نص كامل 1 - A new method for synthesis of tetrahydrobenzo[b]pyrans and dihydropyrano[c]chromenes using p-dodecylbenzenesulfonic acid as catalyst in water Enayatollah Sheikhhosseini Dadkhoda Ghazanfari Vida Nezamabadi
