فهرس المقالات 4-dinitrophenylhydrazine حرية الوصول المقاله صفحة الملخص نص كامل 1 - Diastereoselective Synthesis of Stable Phosphorus Yields by a Three-Component Reaction between Ph3P and Acetylenic Esters in the Presence of Hydrazine Derivatives Safa Ali-Asgari Seyyed Javad Hosseini Khalil Pourshamsian Mohammad Bagheri Ehsan Naghizadeh
