List of Articles Nitration Open Access Article Abstract Page Full-Text 1 - Improved preparation of 3,7-dinitro-1,3,5,7-tetraazabicyclo[3,3,1] nonane (DPT) from urea Ming Lu Xiaobing Liu, Xiaoyu Yu Open Access Article Abstract Page Full-Text 2 - Melamine trisulfonic acid catalyzed regioselective nitration of aromatic compounds under solvent-free conditions Jalal Albadi Farhad Shirinib Masoumeh Abedini Tayebeh Seiadatnasab