List of Articles Diethylacetylenedicarboxylate Open Access Article Abstract Page Full-Text 1 - Deep Eutectic Solvent Based on Choline Chloride/Urea as an Efficient Catalytic System for the One-Pot Synthesis of Highly Functionalized 1,4-Dihydropyridines and Polysubstituted 4H-Chromenes Haleh Nouri Masoud Mokhtary