فهرس المقالات Dialkylacetylene dicarboxylate حرية الوصول المقاله صفحة الملخص نص كامل 1 - Multi-component preparation of diethyl/methyl 1,3-diaryl-1,2,3,6-tetrahydro-pyrimidine-4,5-dicarboxylates using hydrated phosphomolybdic acid as an efficient catalyst Mehdi Abaszadeh Mohammad Seifi Majid Ghashang
