List of Articles PEG-400 Open Access Article Abstract Page Full-Text 1 - A Novel protocol for synthesis of Hantzsch 1, 4- dihydropyridines using PEG-400 as a reaction medium and under catalyst-free condition Ali Ezabadi Fatemeh Tosan Open Access Article Abstract Page Full-Text 2 - Novel procedure for preparation of Hantzsch 1, 4- dihydropyridines using PEG-400 as a reaction medium and under catalyst-free condition Ali Ezabadi Fatemeh Tosan