فهرس المقالات 3-dione) حرية الوصول المقاله صفحة الملخص نص كامل 1 - Triethylamine-bonded sulfonic acid {[Et3N-SO3H]Cl} as an efficient and homogeneous catalyst for the synthesis of 12-aryl-8,9,10,12-tetrahydrobenzo[a]xanthen-11-ones Abdolkarim Zare Roghayyeh Khanivar Maria Merajoddin Masoud Kazem-Rostami Mohammad Mahdi Ahmad-Zadeh Ahmad Reza Moosavi-Zare Alireza Hasaninejad