List of Articles Pyrazolones Open Access Article Abstract Page Full-Text 1 - ZrP2O7 nanoparticles as a robust and efficient catalyst for the synthesis of 2-aryl-5-methyl-2,3-dihydro-1H-3-pyrazolones under microwave irradiation Javad Safaei-Ghomi Esmaeil Afkhami Hossein Shahbazi-Alavi Abolfazl Ziarati Manuscript profile