Ramesh P, Bhaskar K. Polyethylene Glycol (PEG-400) as an Efficient and Recyclable Reaction Medium for Four-Component Coupling One-Pot Synthesis of Functionalized Pyrroles under Catalyst-free Conditions. ajomc [Internet]. 2016 Jul. 4 [cited 2024 May 18];1(2):61-5. Available from: https://asianpubs.org/index.php/ajomc/article/view/15496