فهرست مقالات Baeyer condensation دسترسی آزاد مقاله صفحه چکیده متن کامل 1 - An Environmentally Route for Synthesis of Triarylmethanes Catalyzed by Heteropolyphosphotungstic Acid in Water Azim Ziyaei Halimehjani Elham Vali Shamiri Seyyed Emad Hooshmand